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  <dei:EntityRegistrantName contextRef="c4_From1May2011To31Jan2012">PEREGRINE PHARMACEUTICALS INC</dei:EntityRegistrantName>     
  <dei:DocumentType contextRef="c4_From1May2011To31Jan2012">10-Q</dei:DocumentType>    
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  <dei:DocumentPeriodEndDate contextRef="c4_From1May2011To31Jan2012">2012-01-31</dei:DocumentPeriodEndDate>   
  <us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block&quot;&gt;&#xd;  
        &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;1.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;ORGANIZATION&#xd; 
        AND BUSINESS&lt;/font&gt;&#xd;    
      &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Peregrine&#xd;    
      Pharmaceuticals, Inc. (&amp;#8220;Peregrine&amp;#8221; or&#xd;    
      &amp;#8220;Company&amp;#8221;) is a clinical-stage biopharmaceutical&#xd;     
      company developing first-in-class monoclonal antibodies for&#xd; 
      the treatment of cancer and infectious&#xd;     
      diseases.&amp;#160;&amp;#160;The Company is advancing two Phase II&#xd;   
      oncology programs with our lead product candidates,&#xd;   
      bavituximab and Cotara.&amp;#160;&amp;#160;Peregrine also has&#xd;   
      in-house manufacturing capabilities through its wholly-owned&#xd;  
      subsidiary Avid Bioservices, Inc. (&amp;#8220;Avid&amp;#8221;), a&#xd;  
      Contract Manufacturing Organization (&amp;#8220;CMO&amp;#8221;) that&#xd;     
      provides fully integrated services from cell line development&#xd;   
      to commercial cGMP biomanufacturing for Peregrine and its&#xd;    
      third party customers.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;</us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock>  
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      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;2.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;BASIS&#xd;  
      OF PRESENTATION&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      accompanying interim unaudited condensed consolidated&#xd;     
      financial statements have been prepared in accordance with&#xd;     
      United States generally accepted accounting principles&#xd; 
      (&amp;#8220;U.S. GAAP&amp;#8221;) and with the rules and regulations&#xd;     
      of the U.S. Securities and Exchange Commission&#xd;   
      (&amp;#8220;SEC&amp;#8221;) related to quarterly reports on Form&#xd; 
      10-Q.&amp;#160;&amp;#160;Accordingly, they do not include all of the&#xd;     
      information and disclosures required by U.S. GAAP for a&#xd;  
      complete set of financial statements.&amp;#160;&amp;#160;These&#xd;    
      interim unaudited condensed consolidated financial statements&#xd;   
      and notes thereto should be read in conjunction with the&#xd;   
      audited consolidated financial statements and notes thereto&#xd; 
      included in the Company&amp;#8217;s Annual Report on Form 10-K&#xd;    
      for the year ended April 30, 2011.&amp;#160;&amp;#160;The unaudited&#xd;    
      financial information for the interim periods presented&#xd;  
      herein reflects all adjustments which, in the opinion of&#xd;   
      management, are necessary for a fair presentation of the&#xd;   
      financial condition and results of operations for the periods&#xd;   
      presented, with such adjustments consisting only of normal&#xd;     
      recurring adjustments.&amp;#160;&amp;#160;Results of operations for&#xd;    
      interim periods covered by this quarterly report on Form 10-Q&#xd;   
      may not necessarily be indicative of results of operations&#xd;     
      for the full fiscal year.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      interim unaudited condensed consolidated financial statements&#xd;   
      include the accounts of Peregrine Pharmaceuticals, Inc., and&#xd;  
      its wholly-owned subsidiary, Avid Bioservices,&#xd;   
      Inc.&amp;#160;&amp;#160;All intercompany accounts and transactions&#xd;   
      have been eliminated in the interim unaudited condensed&#xd;  
      consolidated financial statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      preparation of financial statements in conformity with U.S.&#xd; 
      GAAP requires management to make estimates and assumptions&#xd;     
      that affect the reported amounts, as well as disclosures of&#xd; 
      commitments and contingencies in the financial statements and&#xd;   
      accompanying notes.&amp;#160;&amp;#160;Actual results could differ&#xd;   
      from those estimates.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Reclassification&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Certain&#xd;  
      comparative amounts in the interim unaudited condensed&#xd; 
      consolidated financial statements for the nine months ended&#xd; 
      January 31, 2011 have been reclassified to conform to the&#xd;    
      current year presentation.&amp;#160;&amp;#160;These reclassifications&#xd; 
      had no effect on previously reported operating expenses or&#xd;     
      net loss. &lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;&amp;#160;&lt;/font&gt;The&#xd;    
      condensed consolidated balance sheet at April&amp;#160;30, 2011&#xd;     
      has been derived from audited financial statements at that&#xd;     
      date.&amp;#160;&amp;#160;It does not include, however, all of the&#xd;  
      information and notes required by U.S. GAAP for complete&#xd;   
      financial statements.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Going&#xd;    
      Concern&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Our&#xd;   
      interim unaudited condensed consolidated financial statements&#xd;   
      have been prepared on a going concern basis, which&#xd;  
      contemplates the realization of assets and the satisfaction&#xd; 
      of liabilities in the normal course of&#xd;     
      business.&amp;#160;&amp;#160;The financial statements do not include&#xd;     
      any adjustments relating to the recoverability of the&#xd;     
      recorded assets or the classification of liabilities that may&#xd;   
      be necessary should it be determined that we are unable to&#xd;     
      continue as a going concern.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;At&#xd;  
      January 31, 2012, we had $19,761,000 in cash and cash&#xd;     
      equivalents.&amp;#160;&amp;#160;We have expended substantial funds on&#xd; 
      the research, development and clinical trials of our product&#xd;  
      candidates, and funding the operations of Avid.&amp;#160;&amp;#160;As&#xd; 
      a result, we have historically experienced negative cash&#xd;   
      flows from operations since our inception and we expect the&#xd; 
      negative cash flows from operations to continue for the&#xd;  
      foreseeable future.&amp;#160;&amp;#160;Our net losses incurred during&#xd; 
      the past three fiscal years ended April 30, 2011, 2010 and&#xd;     
      2009 amounted to $34,151,000, $14,494,000, and $16,524,000,&#xd; 
      respectively.&amp;#160;&amp;#160;Unless and until we are able to&#xd; 
      generate sufficient revenues from Avid&amp;#8217;s contract&#xd; 
      manufacturing services and/or from the sale and/or licensing&#xd;  
      of our products under development, we expect such losses to&#xd; 
      continue for the foreseeable future.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Therefore,&#xd;     
      our ability to continue our clinical trials and development&#xd; 
      efforts is highly dependent on the amount of cash and cash&#xd;     
      equivalents on hand combined with our ability to raise&#xd; 
      additional capital to support our future operations through&#xd; 
      one or more methods, including but not limited to, issuing&#xd;     
      additional equity or debt.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;With&#xd;    
      respect to financing our operations through the issuance of&#xd; 
      equity, during the nine months ended January 31, 2012, we&#xd;    
      raised $27,196,000 in gross proceeds.&amp;#160;&amp;#160;&amp;#160;During&#xd;     
      February 2012, we raised an additional $5,871,000 in gross&#xd;     
      proceeds.&amp;#160;&amp;#160;As of February 29, 2012, additional&#xd; 
      shares of our common stock for aggregate gross proceeds of up&#xd;   
      to $38,644,000 remained available under two effective shelf&#xd; 
      registration statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Although&#xd;   
      we believe we can raise sufficient capital to meet our&#xd; 
      obligations through fiscal year 2013, our ability to raise&#xd;     
      additional capital in the equity markets is dependent on a&#xd;     
      number of factors, including, but not limited to, the market&#xd;  
      demand for our common stock.&amp;#160;&amp;#160;The market demand or&#xd;     
      liquidity of our common stock is subject to a number of risks&#xd;   
      and uncertainties, including but not limited to, negative&#xd;    
      economic conditions, adverse market conditions, adverse&#xd;  
      clinical trials results, and significant delays in one or&#xd;    
      more clinical trials.&amp;#160;&amp;#160;If our ability to access the&#xd; 
      capital markets becomes severely restricted, it could have a&#xd;  
      negative impact on our business plans, including our clinical&#xd;   
      trial programs and other research and development&#xd; 
      activities.&amp;#160;&amp;#160;In addition, even if we are able to&#xd;   
      raise additional capital, it may not be at a price or on&#xd;   
      terms that are favorable to us.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      may also raise additional capital through licensing or&#xd; 
      partnering our products in development or increasing revenue&#xd;  
      from our wholly-owned subsidiary, Avid.&amp;#160;&amp;#160;While we&#xd;    
      will continue to explore these potential opportunities, there&#xd;   
      can be no assurances that we will be successful in generating&#xd;   
      additional revenue from Avid or under potential licensing or&#xd;  
      partnering agreements to complete the research, development,&#xd;  
      and clinical testing of our product candidates.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Based&#xd;     
      on our current projections, which include projected revenues&#xd;  
      under signed contracts with existing customers of Avid, and&#xd; 
      assuming we do not generate any additional revenues or raise&#xd;  
      any additional capital from the capital markets or other&#xd;   
      potential sources, we believe we have sufficient cash on hand&#xd;   
      combined with amounts expected to be received from Avid&#xd;  
      customers to meet our obligations as they become due through&#xd;  
      at least the third quarter of calendar year&#xd;     
      2012.&amp;#160;&amp;#160;There are a number of uncertainties&#xd;  
      associated with our financial projections, including but not&#xd;  
      limited to, termination of third party contracts, technical&#xd; 
      challenges, the rate at which patients are enrolled into any&#xd;  
      current or future clinical trials, any of which could reduce,&#xd;   
      delay or accelerate our future projected cash inflows and&#xd;    
      outflows.&amp;#160;&amp;#160;In addition, in the event our projected&#xd;     
      cash-inflows are reduced or delayed we might not have&#xd;     
      sufficient capital to operate our business through the third&#xd;  
      quarter of calendar year 2012 unless we raise additional&#xd;   
      capital.&amp;#160;&amp;#160;The uncertainties surrounding our future&#xd;     
      cash inflows have raised substantial doubt regarding our&#xd;   
      ability to continue as a going concern.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;</us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock>    
  <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;3.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;SUMMARY&#xd;    
      OF SIGNIFICANT ACCOUNTING POLICIES&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Adoption&#xd;  
      of Recent Accounting Pronouncements&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      May 1, 2011, we elected to adopt on a prospective basis&#xd;  
      Financial Accounting Standards Board&amp;#8217;s&#xd;     
      (&amp;#8220;FASB&amp;#8221;) Accounting Standards Update&#xd;   
      (&amp;#8220;ASU&amp;#8221;) No.&amp;#160;2010-17, Revenue Recognition&#xd; 
      (Topic 605): &lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;Milestone Method&#xd;  
      of Revenue Recognition (&amp;#8220;Milestone&#xd; 
      Method&amp;#8221;)&lt;/font&gt;.&amp;#160;&amp;#160;Under the Milestone Method&#xd;     
      contingent consideration received from the achievement of a&#xd; 
      substantive milestone is recognized in its entirety in the&#xd;     
      period in which the milestone is achieved, which we believe&#xd; 
      is more consistent with the substance of our performance&#xd;   
      under our various licensing agreements.&amp;#160;&amp;#160;A&#xd;  
      milestone is defined as an event (i)&amp;#160;that can only be&#xd;    
      achieved based in whole or in part on either the&#xd;     
      entity&amp;#8217;s performance or on the occurrence of a specific&#xd;  
      outcome resulting from the entity&amp;#8217;s performance,&#xd;     
      (ii)&amp;#160;for which there is substantive uncertainty at the&#xd;     
      date the arrangement is entered into that the event will be&#xd; 
      achieved, and (iii)&amp;#160;that would result in additional&#xd;  
      payments being due to the entity.&amp;#160;&amp;#160;A milestone is&#xd;    
      considered substantive when it meets all of the following&#xd;    
      criteria:&amp;#160;&amp;#160;&amp;#160;(i) the consideration earned from&#xd;    
      the achievement of the milestone is commensurate with either&#xd;  
      the entity&amp;#8217;s performance to achieve the milestone or&#xd;    
      the enhancement of the value of the delivered item(s) as a&#xd;     
      result of a specific outcome resulting from the&#xd;    
      entity&amp;#8217;s performance to achieve the milestone, (ii) the&#xd;  
      consideration relates solely to past performance, and (iii)&#xd; 
      the consideration is reasonable relative to all of the other&#xd;  
      deliverables and payments within the arrangement.&amp;#160;The&#xd;    
      election to adopt the Milestone Method did not impact the&#xd;    
      accompanying interim unaudited condensed consolidated&#xd;     
      financial statements.&amp;#160;&amp;#160;However, this policy&#xd;   
      election may result in revenue recognition patterns for&#xd;  
      future milestones that are materially different from those&#xd;     
      recognized for milestones received prior to adoption.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Milestone&#xd;    
      payments received prior to May&amp;#160;1, 2011 from arrangements&#xd;  
      where we have continuing performance obligations have been&#xd;     
      deferred and are recognized as revenue on a straight-line&#xd;    
      basis over the performance obligation period.&amp;#160;&amp;#160;We&#xd;    
      will continue to recognize milestones payments received prior&#xd;   
      to May&amp;#160;1, 2011 in this manner.&amp;#160;&amp;#160;As of&#xd; 
      January&amp;#160;31, 2012, we have deferred revenue of $368,000&#xd;     
      from milestone payments received prior to May&amp;#160;1, 2011&#xd;    
      that we are recognizing on a straight-line basis through July&#xd;   
      2013.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      May&amp;#160;1, 2011, we elected to adopt on a prospective basis&#xd; 
      FASB&amp;#8217;s ASU No.&amp;#160;2009-13, Revenue Recognition (Topic&#xd; 
      605):&lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;&amp;#160;&amp;#160;Multiple-Deliverable&#xd;   
      Revenue Arrangements&lt;/font&gt;.&amp;#160;&amp;#160;ASU No.&amp;#160;2009-13&#xd;     
      requires an entity to allocate arrangement consideration at&#xd; 
      the inception of an arrangement to all of its deliverables&#xd;     
      based on their relative selling prices.&amp;#160;&amp;#160;ASU&#xd;    
      No.&amp;#160;2009-13 eliminates the use of the residual method of&#xd;  
      allocation and requires the relative-selling-price method in&#xd;  
      all circumstances in which an entity recognizes revenue for&#xd; 
      an arrangement with multiple deliverables subject to&#xd;    
      Accounting Standards Code 605-25.&amp;#160;&amp;#160;This guidance&#xd;   
      became effective for revenue arrangements entered into or&#xd;    
      materially modified as of May 1, 2011.&amp;#160;&amp;#160;The&#xd;   
      adoption of ASU No.&amp;#160;2009-13 did not have a material&#xd;  
      impact on the accompanying interim unaudited condensed&#xd; 
      consolidated financial statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Pending&#xd; 
      Adoption of Accounting Pronouncements&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;In&#xd;  
      June&amp;#160;2011, the FASB issued ASU No.&amp;#160;2011-05,&#xd;   
      Comprehensive Income (Topic 220): &lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;Presentation of&#xd;  
      Comprehensive Income&lt;/font&gt;.&amp;#160;&amp;#160;In ASU&#xd;  
      No.&amp;#160;2011-05, an entity has the option to present the&#xd;   
      total of comprehensive income, the components of net income,&#xd;  
      and the components of other comprehensive income either in a&#xd;  
      single continuous statement of comprehensive income or in two&#xd;   
      separate but consecutive statements.&amp;#160;&amp;#160;In both&#xd;     
      choices, an entity is required to present each component of&#xd; 
      net income along with total net income, each component of&#xd;    
      other comprehensive income along with a total for other&#xd;  
      comprehensive income, and a total amount for comprehensive&#xd;     
      income.&amp;#160;&amp;#160;ASU No.&amp;#160;2011-05 eliminates the option&#xd;     
      to present the components of other comprehensive income as&#xd;     
      part of the statement of changes in stockholders&amp;#8217;&#xd; 
      equity.&amp;#160;&amp;#160;The amendments in ASU No.&amp;#160;2011-05 do&#xd;    
      not change the items that must be reported in other&#xd;   
      comprehensive income or when an item of other comprehensive&#xd; 
      income must be reclassified to net income.&amp;#160;&amp;#160;The&#xd;  
      amendments in ASU No.&amp;#160;2011-05 are effective for fiscal&#xd;     
      years, and interim period within those years, beginning after&#xd;   
      December&amp;#160;15, 2011.&amp;#160;&amp;#160;We do not expect the&#xd;    
      adoption of ASU No.&amp;#160;2011-05 to have a material impact on&#xd;  
      our consolidated financial statements.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Revenue&#xd; 
      Recognition&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      currently derive revenue from two sources:&amp;#160;&amp;#160;(i)&#xd;  
      contract manufacturing services provided by Avid, and (ii)&#xd;     
      licensing revenues related to agreements associated with&#xd;   
      Peregrine&amp;#8217;s technologies under development.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      recognize revenue in accordance with the authoritative&#xd; 
      guidance for revenue recognition.&amp;#160;&amp;#160;We recognize&#xd;  
      revenue when all of the following criteria are met: (i)&#xd;  
      persuasive evidence of an arrangement exists, (ii) delivery&#xd; 
      (or passage of title) has occurred or services have been&#xd;   
      rendered, (iii) the seller&amp;#8217;s price to the buyer is&#xd;  
      fixed or determinable, and (iv) collectability is reasonably&#xd;  
      assured.&amp;#160;&amp;#160;We also comply with the authoritative&#xd;  
      guidance for revenue recognition regarding arrangements with&#xd;  
      multiple deliverables.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Contract&#xd;   
      Manufacturing Revenue&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Revenue&#xd;  
      associated with contract manufacturing services provided by&#xd; 
      Avid is recognized once the service has been rendered and/or&#xd;  
      upon shipment (or passage of title) of the product to the&#xd;    
      customer.&amp;#160;&amp;#160;On occasion, we recognize revenue on a&#xd;    
      &amp;#8220;bill-and-hold&amp;#8221; basis in accordance with the&#xd; 
      authoritative guidance.&amp;#160;&amp;#160;Under&#xd;     
      &amp;#8220;bill-and-hold&amp;#8221; arrangements, revenue is&#xd;  
      recognized once the product is complete and ready for&#xd;     
      shipment, title and risk of loss has passed to the customer,&#xd;  
      management receives a written request from the customer for&#xd; 
      &amp;#8220;bill-and-hold&amp;#8221; treatment, the product is&#xd;   
      segregated from other inventory, and no further performance&#xd; 
      obligations exist.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;In&#xd;  
      addition, we also follow the authoritative guidance when&#xd;   
      reporting revenue as gross when we act as a principal versus&#xd;  
      reporting revenue as net when we act as an&#xd;    
      agent.&amp;#160;&amp;#160;For transactions in which we act as a&#xd;     
      principal, have discretion to choose suppliers, bear credit&#xd; 
      risk and perform a substantive part of the services, revenue&#xd;  
      is recorded at the gross amount billed to a customer and&#xd;   
      costs associated with these reimbursements are reflected as a&#xd;   
      component of cost of sales for contract manufacturing&#xd;     
      services.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Any&#xd;   
      amounts received prior to satisfying our revenue recognition&#xd;  
      criteria are recorded as deferred revenue in the accompanying&#xd;   
      interim unaudited condensed consolidated financial&#xd;  
      statements.&amp;#160;&amp;#160;We also record a provision for&#xd;   
      estimated contract losses, if any, in the period in which&#xd;    
      they are determined.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;License&#xd;  
      Revenue&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Revenue&#xd;  
      associated with licensing agreements primarily consists of&#xd;     
      non-refundable upfront license fees, non-refundable annual&#xd;     
      license fees and milestone&#xd;   
      payments.&amp;#160;&amp;#160;Non-refundable upfront license fees&#xd; 
      received under license agreements, whereby continued&#xd;    
      performance or future obligations are considered&#xd;     
      inconsequential to the relevant license technology, are&#xd;  
      recognized as revenue upon delivery of the&#xd;    
      technology.&amp;#160;&amp;#160;If a licensing agreement has multiple&#xd;     
      elements, we analyze each element of our licensing agreements&#xd;   
      and consider a variety of factors in determining the&#xd;    
      appropriate method of revenue recognition of each&#xd; 
      element.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;Multiple Element&#xd;  
      Arrangements.&amp;#160;&amp;#160;&lt;/font&gt;Prior to the adoption of ASU&#xd; 
      No.&amp;#160;2009-13 on May&amp;#160;1, 2011, if a license agreement&#xd;     
      has multiple element arrangements, we analyze and determine&#xd; 
      whether the deliverables, which often include performance&#xd;    
      obligations, can be separated or whether they must be&#xd;     
      accounted for as a single unit of accounting in accordance&#xd;     
      with the authoritative guidance.&amp;#160;&amp;#160;Under multiple&#xd;   
      element arrangements, we recognize revenue for delivered&#xd;   
      elements only when the delivered element has stand-alone&#xd;   
      value and we have objective and reliable evidence of fair&#xd;    
      value for each undelivered element.&amp;#160;&amp;#160;If the fair&#xd;   
      value of any undelivered element included in a multiple&#xd;  
      element arrangement cannot be objectively determined, the&#xd;    
      arrangement would then be accounted for as a single unit of&#xd; 
      accounting, and revenue is recognized over the estimated&#xd;   
      period of when the performance obligation(s) are&#xd;     
      performed.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;In&#xd;  
      addition, under certain circumstances, when there is&#xd;    
      objective and reliable evidence of the fair value of the&#xd;   
      undelivered items in an arrangement, but no such evidence for&#xd;   
      the delivered items, we utilize the residual method to&#xd; 
      allocate the consideration received under the&#xd;  
      arrangement.&amp;#160;&amp;#160;Under the residual method, the amount&#xd; 
      of consideration allocated to delivered items equals the&#xd;   
      total arrangement consideration less the aggregate fair value&#xd;   
      of the undelivered items, and revenue is recognized upon&#xd;   
      delivery of the undelivered items based on the relative fair&#xd;  
      value of the undelivered items.&amp;#160;&amp;#160;Amounts received&#xd;    
      prior to satisfying the above revenue recognition criteria&#xd;     
      are recorded as deferred revenue in the accompanying interim&#xd;  
      unaudited condensed consolidated financial statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;For&#xd;   
      new licensing agreements or material modifications of&#xd;     
      existing licensing agreements entered into after May&amp;#160;1,&#xd; 
      2011, we follow the provisions of ASU No.&#xd;   
      2009-13.&amp;#160;&amp;#160;If a licensing agreement includes&#xd;   
      multiple elements, we identify which deliverables represent&#xd; 
      separate units of accounting, and then determine how the&#xd;   
      arrangement consideration should be allocated among the&#xd;  
      separate units of accounting, which may require the use of&#xd;     
      significant judgment.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;If&#xd;  
      a licensing agreement includes multiple elements, a delivered&#xd;   
      item is considered a separate unit of accounting if both of&#xd; 
      the following criteria are met:&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-0&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;    
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;1.&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd; 
              delivered item has value to the licensing partner on&#xd;  
              a standalone basis based on the consideration of the&#xd;  
              relevant facts and circumstances for each&#xd; 
              agreement;&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-1&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;2.&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;If&#xd;     
              the arrangement includes a general right of return&#xd;     
              relative to the delivered item, delivery or&#xd;   
              performance of the undelivered item is considered&#xd;    
              probable and substantially in the Company&amp;#8217;s&#xd;   
              control.&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Arrangement&#xd; 
      consideration is allocated at the inception of the agreement&#xd;  
      to all identified units of accounting based on their relative&#xd;   
      selling price. The relative selling price for each&#xd;  
      deliverable is determined using vendor specific objective&#xd;    
      evidence (&amp;#8220;VSOE&amp;#8221;), of selling price or&#xd;     
      third-party evidence of selling price if VSOE does not exist.&#xd;   
      If neither VSOE nor third-party evidence of selling price&#xd;    
      exists, the Company uses its best estimate of the selling&#xd;    
      price for the deliverable.&amp;#160;&amp;#160;The amount of allocable&#xd; 
      arrangement consideration is limited to amounts that are&#xd;   
      fixed or determinable.&amp;#160;&amp;#160;The consideration received&#xd;     
      is allocated among the separate units of accounting, and the&#xd;  
      applicable revenue recognition criteria are applied to each&#xd; 
      of the separate units.&amp;#160;&amp;#160;Changes in the allocation&#xd;    
      of the sales price between delivered and undelivered elements&#xd;   
      can impact revenue recognition but do not change the total&#xd;     
      revenue recognized under any agreement.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font style=&quot;FONT-STYLE: italic; DISPLAY: inline&quot;&gt;Milestone&#xd;     
      Payments.&amp;#160;&amp;#160;&lt;/font&gt;Prior to the adoption of ASU&#xd;  
      No.&amp;#160;2010-17 on May&amp;#160;1, 2011, milestone payments were&#xd; 
      recognized as revenue upon the achievement of the specified&#xd; 
      milestone, provided that (i) the milestone event was&#xd;    
      substantive in nature and the achievement of the milestone&#xd;     
      was not reasonably assured at the inception of the agreement,&#xd;   
      (ii) the fees were non-refundable, and (iii) there was no&#xd;    
      continuing performance obligations associated with the&#xd; 
      milestone payment.&amp;#160;&amp;#160;Any milestone payments received&#xd; 
      prior to satisfying these revenue recognition criteria were&#xd; 
      recorded as deferred revenue in the accompanying interim&#xd;   
      unaudited condensed consolidated financial statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Effective&#xd;    
      May&amp;#160;1, 2011, we adopted on a prospective basis the&#xd; 
      Milestone Method under ASU No.&amp;#160;2010-17 for new licensing&#xd;  
      agreements or material modifications of existing licensing&#xd;     
      agreements entered into after May&amp;#160;1,&#xd;  
      2011.&amp;#160;&amp;#160;Under the Milestone Method, we recognize&#xd;  
      consideration that is contingent upon the achievement of a&#xd;     
      milestone in its entirety as revenue in the period in which&#xd; 
      the milestone is achieved only if the milestone is&#xd;  
      substantive in its entirety.&amp;#160;&amp;#160;A milestone is&#xd;    
      considered substantive when it meets all of the following&#xd;    
      criteria:&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-2&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;    
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;1.&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd; 
              consideration is commensurate with either the&#xd;     
              entity&amp;#8217;s performance to achieve the milestone&#xd;     
              or the enhancement of the value of the delivered&#xd;   
              item(s) as a result of a specific outcome resulting&#xd; 
              from the entity&amp;#8217;s performance to achieve the&#xd;    
              milestone;&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-3&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;2.&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd; 
              consideration relates solely to past performance;&#xd;    
              and&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-4&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;3.&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd; 
              consideration is reasonable relative to all of the&#xd;     
              deliverables and payment terms within the&#xd; 
              arrangement.&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;A&#xd; 
      milestone is defined as an event (i)&amp;#160;that can only be&#xd;    
      achieved based in whole or in part on either the&#xd;     
      entity&amp;#8217;s performance or on the occurrence of a specific&#xd;  
      outcome resulting from the entity&amp;#8217;s performance,&#xd;     
      (ii)&amp;#160;for which there is substantive uncertainty at the&#xd;     
      date the arrangement is entered into that the event will be&#xd; 
      achieved and (iii)&amp;#160;that would result in additional&#xd; 
      payments being due to the Company.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
        &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;     
        provisions of ASU No. 2010-17 do not apply to contingent&#xd;     
        consideration for which payment is either contingent solely&#xd;   
        upon the passage of time or the result of a&#xd;  
        counterparty&amp;#8217;s performance.&amp;#160;&amp;#160;We will assess&#xd;     
        the nature of, and appropriate accounting for, these&#xd; 
        payments on a case-by-case basis in accordance with the&#xd;    
        applicable authoritative guidance for revenue&#xd;    
        recognition.&lt;/font&gt;&#xd;    
      &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
        &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Other&#xd; 
        Income&lt;/font&gt;&#xd;   
      &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;    
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font id=&quot;TAB1-2&quot; style=&quot;MARGIN-LEFT: 36pt&quot;&gt;&lt;/font&gt;Other income for&#xd;    
      the nine months ended January 31, 2011 includes aggregate&#xd;    
      one-time grants of $978,000 awarded to us under Section 48D&#xd; 
      of the Internal Revenue Code as reimbursement for four&#xd; 
      separate qualifying therapeutic discovery projects, which we&#xd;  
      applied for under the Patient Protection and Affordable Care&#xd;  
      Act of 2010.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Fair&#xd;   
      Value Measurements&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      determine fair value measurements in accordance with the&#xd;   
      authoritative guidance for fair value measurements and&#xd; 
      disclosures for all assets and liabilities within the scope&#xd; 
      of this guidance.&amp;#160;&amp;#160;This guidance clarifies the&#xd; 
      definition of fair value for financial reporting, establishes&#xd;   
      a framework for measuring fair value and requires additional&#xd;  
      disclosures about the use of fair value&#xd; 
      measurements.&amp;#160;&amp;#160;The guidance also clarifies its&#xd; 
      application in a market that is not active and provides an&#xd;     
      example to illustrate key considerations in determining the&#xd; 
      fair value of a financial asset when the market for that&#xd;   
      financial asset is not active.&amp;#160;&amp;#160;The guidance&#xd;    
      prioritizes the inputs used in measuring fair value into the&#xd;  
      following hierarchy:&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-5&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;    
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 36pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font style=&quot;display: inline; font-family: Symbol, serif;&quot;&gt;&amp;#183;&lt;/font&gt;&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Level&#xd;   
              1 &amp;#8211; Quoted prices in active markets for&#xd;    
              identical assets or liabilities.&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-6&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 36pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font style=&quot;display: inline; font-family: Symbol, serif;&quot;&gt;&amp;#183;&lt;/font&gt;&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Level&#xd;   
              2 &amp;#8211; Observable inputs other than quoted prices&#xd; 
              included in Level 1, such as assets or liabilities&#xd;     
              whose values are based on quoted market prices in&#xd;    
              markets where trading occurs infrequently or whose&#xd;     
              values are based on quoted prices of instruments with&#xd;   
              similar attributes in active markets.&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-7&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 36pt&quot;&gt;&#xd; 
            &lt;div&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td style=&quot;WIDTH: 18pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;font style=&quot;display: inline; font-family: Symbol, serif;&quot;&gt;&amp;#183;&lt;/font&gt;&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;justify&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Level&#xd;   
              3 &amp;#8211; Unobservable inputs that are supported by&#xd;     
              little or no market activity and which are&#xd;  
              significant to the overall fair value&#xd;  
              measurement.&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, we do not have any Level 2 or Level 3&#xd;     
      financial assets or liabilities and our cash and cash&#xd;     
      equivalents are carried at fair value based on quoted market&#xd;  
      prices for identical securities (Level 1 input).&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Research&#xd;  
      and Development&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Research&#xd;   
      and development costs are charged to expense when incurred in&#xd;   
      accordance with the authoritative guidance for research and&#xd; 
      development costs.&amp;#160;&amp;#160;Research and development&#xd;    
      expenses primarily include (i) payroll and related costs&#xd;   
      associated with research and development personnel, (ii)&#xd;   
      costs related to clinical and preclinical testing of our&#xd;   
      technologies under development, (iii) costs to develop and&#xd;     
      manufacture the product candidates, including raw materials&#xd; 
      and supplies, product testing, depreciation, and facility&#xd;    
      related expenses, (iv) expenses for research services&#xd;     
      provided by universities and contract laboratories, including&#xd;   
      sponsored research funding, and (v) other research and&#xd; 
      development expenses.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Accrued&#xd; 
      Clinical Trial and Related Fees&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      accrue clinical trial and related fees based on work&#xd;    
      performed in connection with advancing our clinical trials,&#xd; 
      which relies on estimates and/or representations from&#xd;     
      clinical research organizations (&amp;#8220;CRO&amp;#8221;),&#xd;  
      hospitals, consultants, and other clinical trial related&#xd;   
      vendors.&amp;#160;&amp;#160;We maintain regular communication with&#xd;   
      our vendors, including our CRO vendors, and gauge the&#xd;     
      reasonableness of estimates provided.&amp;#160;&amp;#160;However,&#xd;  
      actual clinical trial costs may differ from estimated&#xd;     
      clinical trial costs and are adjusted for in the period in&#xd;     
      which they become known.&amp;#160;&amp;#160;There were no material&#xd;   
      adjustments for a change in estimate to research and&#xd;    
      development expenses in the accompanying interim unaudited&#xd;     
      condensed consolidated statements of operations for the three&#xd;   
      and nine months ended January 31, 2012 and 2011.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Share-Based&#xd;     
      Compensation&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      account for stock options and other share-based awards&#xd; 
      granted under our equity compensation plans in accordance&#xd;    
      with the authoritative guidance for share-based&#xd;    
      compensation.&amp;#160;&amp;#160;The estimated fair value of&#xd;  
      share-based payments to employees in exchange for services is&#xd;   
      measured at the grant date, using a fair value based method,&#xd;  
      and is recognized as expense on a straight-line basis over&#xd;     
      the requisite service periods.&amp;#160;&amp;#160;Share-based&#xd;   
      compensation expense recognized during the period is based on&#xd;   
      the value of the portion of the share-based payment that is&#xd; 
      ultimately expected to vest during the&#xd;     
      period.&amp;#160;&amp;#160;Share-based compensation expense for a&#xd;  
      share-based payment with a performance condition is&#xd;   
      recognized on a straight-line basis over the requisite&#xd; 
      service period when the achievement of the performance&#xd; 
      condition is determined to be probable.&amp;#160;&amp;#160;If a&#xd;     
      performance condition is not determined to be probable or is&#xd;  
      not met, no share-based compensation is recognized and any&#xd;     
      previously recognized compensation expense is&#xd;  
      reversed.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;In&#xd;  
      addition, we periodically grant stock options and other&#xd;  
      share-based awards to non-employee consultants, which we&#xd;   
      account for in accordance with the authoritative guidance for&#xd;   
      share-based compensation.&amp;#160;&amp;#160;The cost of non-employee&#xd; 
      services received in exchange for share-based awards are&#xd;   
      measured based on either the fair value of the consideration&#xd;  
      received or the fair value of the share-based award issued,&#xd; 
      whichever is more reliably measurable.&amp;#160;&amp;#160;In&#xd;  
      addition, guidance requires share-based compensation related&#xd;  
      to unvested options and awards issued to non-employees to be&#xd;  
      recalculated at the end of each reporting period based upon&#xd; 
      the fair market value on that date until the share-based&#xd;   
      award has vested, and any adjustment to share-based&#xd;   
      compensation resulting from the remeasurement is recognized&#xd; 
      in the current period.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Total&#xd;     
      share-based compensation expense for the three and nine-month&#xd;   
      periods ended January 31, 2012 and 2011 are included in the&#xd; 
      accompanying interim unaudited condensed consolidated&#xd;     
      statements of operations as follows:&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;  
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Three&#xd;  
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Nine&#xd; 
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;    
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Cost&#xd;  
              of contract manufacturing&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;5,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;10,000&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;    
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Research&#xd; 
              and development&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;299,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;288,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,438,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,998,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block&quot;&gt;&#xd;    
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, the total estimated unrecognized&#xd;     
      compensation cost related to non-vested stock options was&#xd;    
      $2,070,000.&amp;#160;&amp;#160;This cost is expected to be recognized&#xd; 
      over a weighted average vesting period of 2.34 years based on&#xd;   
      current assumptions.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Comprehensive&#xd;  
      Loss&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Comprehensive&#xd;   
      loss is equal to net loss for all periods presented.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Basic&#xd;    
      and Dilutive Net Loss Per Common Share&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Basic&#xd;     
      net loss per common share is computed by dividing our net&#xd;    
      loss by the weighted average number of common shares&#xd;    
      outstanding during the period excluding the dilutive effects&#xd;  
      of stock options, unvested stock awards and warrants in&#xd;  
      accordance with the authoritative&#xd;     
      guidance.&amp;#160;&amp;#160;Diluted net loss per common share is&#xd;  
      computed by dividing the net loss by the sum of the weighted&#xd;  
      average number of common shares outstanding during the period&#xd;   
      plus the potential dilutive effects of stock options,&#xd;     
      unvested stock awards and warrants outstanding during the&#xd;    
      period calculated in accordance with the treasury stock&#xd;  
      method, but are excluded if their effect is&#xd;     
      anti-dilutive.&amp;#160;&amp;#160;Because the impact of options,&#xd; 
      awards and warrants are anti-dilutive during periods of net&#xd; 
      loss, there was no difference between basic and diluted loss&#xd;  
      per share amounts for the three and nine months ended January&#xd;   
      31, 2012 and 2011.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      calculation of weighted average diluted shares outstanding&#xd;     
      excludes the dilutive effect of outstanding stock options,&#xd;     
      stock awards and warrants to purchase up to 1,445 and 14,768&#xd;  
      shares of common stock for the three and nine months ended&#xd;     
      January&amp;#160;31, 2012, respectively, and 108,064 and 123,893&#xd; 
      shares of common stock for the three and nine months ended&#xd;     
      January&amp;#160;31, 2011, respectively, since their impact are&#xd;     
      anti-dilutive during periods of net loss.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      calculation of weighted average diluted shares outstanding&#xd;     
      also excludes weighted average outstanding stock options,&#xd;    
      stock awards and warrants to purchase up to 5,971,867 and&#xd;    
      6,046,536 shares of common stock for the three and nine&#xd;  
      months ended January 31, 2012, respectively, and 4,283,733&#xd;     
      and 4,376,544 shares of common stock for the three and nine&#xd; 
      months ended January 31, 2011, respectively, as their&#xd;     
      exercise prices were greater than the average market price of&#xd;   
      our common stock during the respective periods, resulting in&#xd;  
      an anti-dilutive effect.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd; 
      February 2012, we issued an aggregate of 5,726,946 shares of&#xd;  
      common stock (Note 8) in exchange for $5,871,000 in gross&#xd;    
      proceeds, which are not included in the calculation of basic&#xd;  
      and dilutive net loss per common share for the three and&#xd;   
      nine-month periods ended January 31, 2012.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>  
  <us-gaap:ReceivablesPolicyTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;4.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;ACCOUNTS&#xd;     
      RECEIVABLE&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Accounts&#xd;   
      receivable is recorded at the invoiced amount net of an&#xd;  
      allowance for doubtful accounts, if&#xd;  
      necessary.&amp;#160;&amp;#160;Trade and other receivables primarily&#xd;    
      include amounts billed for contract manufacturing services&#xd;     
      provided by Avid (&amp;#8220;trade&amp;#8221;&#xd;  
      receivables).&amp;#160;&amp;#160;Government contract receivables&#xd; 
      include amounts billed under a former contract with the&#xd;  
      Transformational Medical Technologies (&amp;#8220;TMT&amp;#8221;) of&#xd;     
      the U.S. Department of Defense&amp;#8217;s Defense Threat&#xd;    
      Reduction Agency, which expired on April 15, 2011.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;These&#xd;     
      receivables are evaluated to determine if any allowance for&#xd; 
      doubtful accounts should be established at each reporting&#xd;    
      date.&amp;#160;&amp;#160;&amp;#160;Based on our analysis of our&#xd;     
      receivables as of January 31, 2012 and April 30, 2011, we&#xd;    
      determined an allowance for doubtful accounts of $19,000 and&#xd;  
      $20,000, respectively, was necessary with respect to trade&#xd;     
      and other receivables.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;</us-gaap:ReceivablesPolicyTextBlock>     
  <us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;5.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;PROPERTY&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Property&#xd;   
      consists of the following at January 31, 2012 and April 30,&#xd; 
      2011:&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;80%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd; 
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px; PADDING-LEFT: 0pt; MARGIN-LEFT: 9pt&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;April&#xd;  
              30,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Leasehold&#xd;  
              improvements&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,273,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;932,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Laboratory&#xd;   
              equipment&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,747,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,391,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Furniture,&#xd;   
              fixtures, office equipment and software&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,132,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,814,000&lt;/font&gt;&#xd;   
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;8,152,000&lt;/font&gt;&#xd;   
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;7,137,000&lt;/font&gt;&#xd;   
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Less&#xd;  
              accumulated depreciation and amortization&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(5,493,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(4,928,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
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        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 18pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Property,&#xd;  
              net&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,659,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,209,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Depreciation&#xd;  
      and amortization expense for three and nine months ended&#xd;   
      January 31, 2012 was $238,000 and $664,000, respectively, and&#xd;   
      $174,000 and $469,000 for the three and nine months ended&#xd;    
      January 31, 2011, respectively.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;</us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock>   
  <us-gaap:InventoryDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;6.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;INVENTORIES&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Inventories&#xd; 
      are stated at the lower of cost or market and primarily&#xd;  
      include raw materials, direct labor and overhead costs&#xd; 
      associated with our wholly-owned subsidiary, Avid.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Inventories&#xd; 
      consist of the following at January 31, 2012 and April 30,&#xd;     
      2011:&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;80%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd; 
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;April&#xd;  
              30,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Raw&#xd; 
              materials, net&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,593,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,512,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Work-in-process&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,151,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;3,772,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 18pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Total&#xd;   
              inventories, net&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,744,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;5,284,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;</us-gaap:InventoryDisclosureTextBlock> 
  <us-gaap:DebtDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;7.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;NOTE&#xd; 
      PAYABLE&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      December 9, 2008, we borrowed $5,000,000 from MidCap&#xd;    
      Financial LLC and BlueCrest Capital Finance, L.P&#xd;     
      (collectively, the &amp;#8220;Lenders&amp;#8221;) under a term loan&#xd;    
      payable over three years.&amp;#160;&amp;#160;On December 1, 2011, the&#xd; 
      loan balance was paid in full.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;</us-gaap:DebtDisclosureTextBlock>  
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  <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;8.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;STOCKHOLDERS&amp;#8217;&#xd;     
      EQUITY&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;&lt;a id=&quot;exp2&quot; name=&quot;exp2&quot;&gt;&lt;!--EFPlaceholder--&gt;&lt;/a&gt;&lt;a id=&quot;exp5&quot; name=&quot;exp5&quot;&gt;&lt;!--EFPlaceholder--&gt;&lt;/a&gt;Our ability to continue&#xd;  
      our clinical trials and development efforts is highly&#xd;     
      dependent on the amount of cash and cash equivalents on hand&#xd;  
      combined with our ability to raise additional capital to&#xd;   
      support our future operations through one or more methods,&#xd;     
      including but not limited to, issuing additional&#xd;     
      equity.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      December 29, 2010, we entered into an At Market Issuance&#xd;   
      Sales Agreement (the &amp;#8220;December 2010 AMI&#xd; 
      Agreement&amp;#8221;), with McNicoll, Lewis &amp;amp; Vlak LLC&#xd;    
      (&amp;#8220;MLV&amp;#8221;), under which we may sell shares of our&#xd;   
      common stock from time to time through MLV, as our agent for&#xd;  
      the offer and sale of our shares of common stock, in an&#xd;  
      aggregate amount not to exceed the amount that can be sold&#xd;     
      under the Company&amp;#8217;s registration statement on Form S-3&#xd; 
      (File No. 333-171252) filed with the SEC on December 29,&#xd;   
      2010, which amount as of January 31, 2012 was&#xd;  
      $34,515,000.&amp;#160;&amp;#160;MLV may sell our shares of common&#xd;  
      stock by any method permitted by law deemed to be an&#xd;    
      &amp;#8220;at the market&amp;#8221; offering as defined in Rule 415&#xd;    
      under the Securities Act, including without limitation sales&#xd;  
      made directly on The NASDAQ Capital Market, on any other&#xd;   
      existing trading market for the shares of common stock or to&#xd;  
      or through a market maker.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd; 
      the nine months ended January 31, 2012, we sold 16,948,441&#xd;     
      shares of our common stock at market prices for aggregate&#xd;    
      gross proceeds of $20,256,000 under the December 2010 AMI&#xd;    
      Agreement before deducting commissions and other issuance&#xd;    
      costs of $482,000.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      September 2, 2011, we entered into a placement agency&#xd;     
      agreement with Roth Capital Partners, LLC (the&#xd;   
      &amp;#8220;Placement Agent&amp;#8221;), pursuant to which the&#xd;   
      Placement Agent agreed to arrange for the sale of up to&#xd;  
      6,252,252 shares of our common stock in a registered direct&#xd; 
      public offering (the &amp;#8220;Offering&amp;#8221;).&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;In&#xd;  
      addition, on September&amp;#160;2, 2011, we entered into separate&#xd;  
      subscription agreements with three institutional investors in&#xd;   
      connection with the Offering, pursuant to which we agreed to&#xd;  
      sell an aggregate of 6,252,252 shares of our common stock at&#xd;  
      a purchase price of $1.11 per share for aggregate gross&#xd;  
      proceeds, before deducting fees to the Placement Agent and&#xd;     
      other estimated offering expenses payable by the Company, of&#xd;  
      approximately $6,940,000.&amp;#160;&amp;#160;The net proceeds&#xd;   
      received under the Offering, after deducting placement agent&#xd;  
      fees and other offering expenses were approximately&#xd;   
      $6,415,000.&amp;#160;&amp;#160;The shares of common stock sold in&#xd;  
      connection with the Offering were issued pursuant to a&#xd; 
      prospectus supplement filed with the SEC on September 2, 2011&#xd;   
      to the Company&amp;#8217;s registration statement on Form S-3&#xd;   
      (File No. 333-171252), which we filed with the SEC on&#xd;     
      December 29, 2010 and became effective on January 5,&#xd;    
      2011.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, aggregate gross proceeds of up to&#xd; 
      $44,515,000 remained available under two effective shelf&#xd;   
      registration statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd; 
      February 2012, we sold an additional 5,726,946 shares of&#xd;   
      common stock at market prices under the December 2010 AMI&#xd;    
      Agreement in exchange for aggregate gross proceeds of&#xd;     
      $5,871,000.&amp;#160;&amp;#160;As of February 29, 2012, aggregate&#xd;  
      gross proceeds of $38,644,000 remained available under our&#xd;     
      two effective shelf registration statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, we reserved 17,312,710 additional shares&#xd;   
      of our common stock which may be issued under our equity&#xd;   
      compensation plans and outstanding warrant agreements,&#xd; 
      excluding shares of common stock that could potentially be&#xd;     
      issued under our current effective shelf registration&#xd;     
      statements, as further described in the following&#xd; 
      table:&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;  
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Number&#xd;    
              of Shares&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Reserved&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;88%&quot; style=&quot;TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;    
            &lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Common&#xd;    
              shares reserved for issuance under outstanding option&#xd;   
              grants and available for issuance under our stock&#xd;    
              incentive plans&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;12,305,978&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;88%&quot; style=&quot;TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;    
            &lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Common&#xd;    
              shares reserved for and available for issuance under&#xd;  
              our Employee Stock Purchase Plan&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,786,765&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;88%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
            &lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Common&#xd;    
              shares issuable upon exercise of outstanding&#xd;    
              warrants&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;219,967&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;88%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&lt;font id=&quot;TAB1-3&quot; style=&quot;MARGIN-LEFT: 30.6pt&quot;&gt;&lt;/font&gt;Total&#xd;   
              shares of common stock reserved for issuance&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;17,312,710&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;</us-gaap:StockholdersEquityNoteDisclosureTextBlock>    
  <us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;9.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;EQUITY&#xd;   
      COMPENSATION PLANS&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Stock&#xd;    
      Incentive Plans&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;On&#xd;  
      October 20, 2011, our stockholders approved our 2011 Stock&#xd;     
      Incentive Plan (&amp;#8220;2011 Plan&amp;#8221;) which allows for the&#xd; 
      issuance of up to 3,500,000 shares of our common stock for&#xd;     
      the granting of incentive stock options, nonqualified stock&#xd; 
      options, restricted stock awards, performance shares and&#xd;   
      other forms of share-based awards (collectively,&#xd;     
      &amp;#8220;Awards&amp;#8221;).&amp;#160;&amp;#160;As of January 31, 2012,&#xd;     
      3,500,000 shares of our common stock were available for&#xd;  
      Awards under the 2011 Incentive Plan.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, we had an aggregate of 12,305,978 shares&#xd;   
      of common stock reserved for issuance under all Stock&#xd;     
      Incentive Plans, of which, 5,699,789 shares were subject to&#xd; 
      outstanding options and 6,606,189 shares were available for&#xd; 
      future grants of share-based awards.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      following summarizes our stock option transaction activity&#xd;     
      for the nine months ended January 31, 2012:&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;80%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd; 
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd; 
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Stock&#xd;  
              Options&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Shares&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Weighted&#xd;     
              Average&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Exercisable&#xd;   
              Price&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Outstanding,&#xd;     
              May 1, 2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,869,599&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4.16&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Granted&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,679,525&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2.17&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Exercised&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Canceled&#xd; 
              or expired&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(849,335&lt;/font&gt;&#xd;  
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;3.99&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Outstanding,&#xd;     
              January 31, 2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;5,699,789&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;3.60&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      following summarizes our restricted stock award transaction&#xd; 
      activity for the nine months ended January 31, 2012:&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;80%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd; 
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd; 
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Restricted&#xd;  
              Stock&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: center&quot;&gt;&#xd;     
            &lt;div style=&quot;TEXT-ALIGN: center; LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Shares&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;10%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Weighted&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Average&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Grant&#xd;  
              Date&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Fair&#xd; 
              Value&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Unvested,&#xd;  
              May 1, 2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;68,250&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2.98&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Granted&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Vested&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Canceled&#xd; 
              or expired&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(68,250&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2.98&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;56%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Unvested,&#xd;  
              January 31, 2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;-&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd; 
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Employee&#xd;  
      Stock Purchase Plan&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;We&#xd;  
      have reserved a total of 5,000,000 shares of common stock to&#xd;  
      be purchased under our 2010 Employee Stock Purchase Plan (the&#xd;   
      &amp;#8220;2010 ESPP&amp;#8221;), of which 4,786,765 shares of common&#xd; 
      stock remain available for purchase as of January 31,&#xd;     
      2012.&amp;#160;&amp;#160;Under the 2010 ESPP, we will sell shares to&#xd;     
      participants at a price equal to the lesser of 85% of the&#xd;    
      fair market value of stock at the (i) beginning of a&#xd;    
      six-month offering period or (ii) at the end of the six-month&#xd;   
      offering period.&amp;#160;&amp;#160;The 2010 ESPP provides for two&#xd;   
      six-month offering periods each year; the first offering&#xd;   
      period will begin on the first trading day on or after each&#xd; 
      November 1; the second offering period will begin on the&#xd;   
      first trading day on or after each May 1.&amp;#160;&amp;#160;During&#xd;    
      the nine months ended January 31, 2012, 108,391 shares of&#xd;    
      common stock were purchased under the 2010 ESPP at a weighted&#xd;   
      average purchase price per share of $0.89.&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;</us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy>     
  <us-gaap:DebtInstrumentConvertibleTypeOfEquitySecurity contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;10.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;WARRANTS&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;As&#xd;  
      of January 31, 2012, we had warrants outstanding to purchase&#xd;  
      up to 219,967 shares of our common stock at an exercise price&#xd;   
      of $1.48 per share with an expiration date of December 19,&#xd;     
      2013.&amp;#160;&amp;#160;The aforementioned warrants were issued&#xd; 
      during fiscal year 2009 in connection with the loan and&#xd;  
      security agreement we entered into on December 9, 2008 (Note&#xd;  
      7).&amp;#160;&amp;#160;There were no warrants granted or exercised&#xd;   
      during the nine months ended January 31, 2012.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;</us-gaap:DebtInstrumentConvertibleTypeOfEquitySecurity>    
  <us-gaap:SegmentReportingDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;11.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;SEGMENT&#xd;     
      REPORTING&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Our&#xd;   
      business is organized into two reportable operating segments&#xd;  
      and both operate in the U.S.&amp;#160;&amp;#160;Peregrine is engaged&#xd;     
      in the research and development of monoclonal antibodies for&#xd;  
      the treatment of cancer and viral infections.&amp;#160;&amp;#160;Avid&#xd; 
      is engaged in providing contract manufacturing services for&#xd; 
      Peregrine and outside customers on a fee-for-service&#xd;    
      basis.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;The&#xd;   
      accounting policies of the operating segments are the same as&#xd;   
      those described in Note 3.&amp;#160;&amp;#160;We evaluate the&#xd;   
      performance of our contract manufacturing services segment&#xd;     
      based on gross profit or loss from third-party&#xd;   
      customers.&amp;#160;&amp;#160;However, our products in the research&#xd;    
      and development segment are not evaluated based on gross&#xd;   
      profit or loss, but rather based on scientific progress of&#xd;     
      the technologies.&amp;#160;&amp;#160;As such, gross profit or loss is&#xd; 
      only provided for our contract manufacturing services segment&#xd;   
      in the below table.&amp;#160;&amp;#160;All revenues shown below are&#xd;    
      derived from transactions with third-party customers.&lt;/font&gt;&#xd;   
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Segment&#xd;  
      information for the three and nine-month periods is&#xd;   
      summarized as follows:&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;  
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Three&#xd;  
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Nine&#xd; 
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;    
            &lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Contract&#xd; 
              manufacturing services revenue&lt;/font&gt;&#xd;   
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;3,203,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,922,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;12,796,000&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;6,532,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;596,000&lt;/font&gt;&#xd; 
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        &lt;tr&gt;&#xd;    
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            &lt;div style=&quot;TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd;     
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;Net&#xd; 
              loss&lt;/font&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(11,090,000&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(8,929,000&lt;/font&gt;&#xd;    
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          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
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          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(31,237,000&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;(24,137,000&lt;/font&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;)&lt;/font&gt;&#xd;     
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      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Revenues&#xd;   
      generated from our contract manufacturing services segment&#xd;     
      were from the following customers:&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;  
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          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
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          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Three&#xd;  
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
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          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
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          &lt;td colspan=&quot;6&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Nine&#xd; 
              Months Ended&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Customer&#xd;     
              revenue as a percentage of revenue:&lt;/font&gt;&#xd;   
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          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;    
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 9pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;United&#xd;    
              States (customer A)&lt;/font&gt;&#xd;  
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;58%&lt;/font&gt;&#xd;  
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;93%&lt;/font&gt;&#xd;  
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;36%&lt;/font&gt;&#xd;  
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;27%&lt;/font&gt;&#xd;  
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        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;    
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          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
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            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
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          &lt;/td&gt;&#xd;  
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          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
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          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;   
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          &lt;td valign=&quot;bottom&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
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              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
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          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;License&#xd;     
              revenue (see Note 12)&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;78,000&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;79,000&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;372,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;272,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: -9pt; DISPLAY: block; MARGIN-LEFT: 18pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Total&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;78,000&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;961,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;372,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;9%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;4,231,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;______________&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-8&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;    
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;(1)&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;left&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Represents&#xd;   
              revenue earned under a government contract with the&#xd; 
              Transformational Medical Technologies&#xd;  
              (&amp;#8220;TMT&amp;#8221;) of the U.S. Department of&#xd;   
              Defense&amp;#8217;s Defense Threat Reduction Agency,&#xd;  
              which expired on April 15, 2011.&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;table align=&quot;center&quot; border=&quot;0&quot; cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; id=&quot;hangingindent-9&quot; width=&quot;100%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd;   
        &lt;tr valign=&quot;top&quot; style=&quot;LINE-HEIGHT: 1.25;&quot;&gt;&#xd;    
          &lt;td style=&quot;WIDTH: 54pt&quot;&gt;&#xd; 
            &lt;div style=&quot;TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;(2)&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td&gt;&#xd; 
            &lt;div align=&quot;left&quot;&gt;&#xd;  
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Includes&#xd; 
              revenue associated with services provided by our&#xd;   
              contract manufacturing segment under our former&#xd;  
              government contract with the TMT, of which, during&#xd;     
              the three and nine months ended January 31, 2011&#xd;   
              amounted to $101,000 and $324,000,&#xd;    
              respectively.&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;  
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;Our&#xd;   
      long-lived assets consist of leasehold improvements,&#xd;    
      laboratory equipment, and furniture, fixtures, office&#xd;     
      equipment, and software and are net of accumulated&#xd;  
      depreciation.&amp;#160;&amp;#160;Long-lived assets by segment consist&#xd; 
      of the following:&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;table cellpadding=&quot;0&quot; cellspacing=&quot;0&quot; width=&quot;80%&quot; style=&quot;FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman&quot;&gt;&#xd; 
        &lt;tr&gt;&#xd;    
          &lt;td valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;12%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;January&#xd;    
              31,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2012&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;12%&quot; style=&quot;BORDER-BOTTOM: black 2px solid&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;April&#xd;  
              30,&lt;/font&gt;&#xd; 
            &lt;/div&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;center&quot;&gt;&#xd; 
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;2011&lt;/font&gt;&#xd;    
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold&quot;&gt;Long-lived&#xd;  
              assets, net:&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;12%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td colspan=&quot;2&quot; valign=&quot;bottom&quot; width=&quot;12%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;52%&quot;&gt;&#xd;  
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Contract&#xd; 
              manufacturing services&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,784,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;TEXT-ALIGN: right&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;1,511,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr style=&quot;background-color: #EEEEEE;&quot;&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Products&#xd; 
              in research and development&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;875,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 2px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right&quot;&gt;&#xd;  
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;698,000&lt;/font&gt;&#xd; 
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 2px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
        &lt;tr&gt;&#xd;    
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;52%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;    
              &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;Total&#xd;   
              long-lived assets, net&lt;/font&gt;&#xd;     
            &lt;/div&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td align=&quot;left&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd;    
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,659,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;PADDING-BOTTOM: 4px&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left&quot;&gt;&#xd; 
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;$&lt;/font&gt;&#xd;     
          &lt;/td&gt;&#xd;  
          &lt;td valign=&quot;bottom&quot; width=&quot;11%&quot; style=&quot;BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right&quot;&gt;&#xd;   
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;2,209,000&lt;/font&gt;&#xd;   
          &lt;/td&gt;&#xd;  
          &lt;td nowrap=&quot;nowrap&quot; valign=&quot;bottom&quot; width=&quot;1%&quot; style=&quot;TEXT-ALIGN: left; PADDING-BOTTOM: 4px&quot;&gt;&#xd;     
            &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt&quot;&gt;&amp;#160;&lt;/font&gt;&#xd;    
          &lt;/td&gt;&#xd;  
        &lt;/tr&gt;&#xd;     
      &lt;/table&gt;&lt;br/&gt;</us-gaap:SegmentReportingDisclosureTextBlock>   
  <us-gaap:RevenueRecognitionServicesLicensingFees contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;left&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;12.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;LICENSING&#xd;  
      AGREEMENTS&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
        &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd;   
        July 2009, we entered into a patent assignment and&#xd;    
        sublicense (collectively, the &amp;#8220;Affitech&#xd;   
        Agreements&amp;#8221;) with Affitech A/S&#xd;    
        (&amp;#8220;Affitech&amp;#8221;) whereby we licensed exclusive&#xd; 
        worldwide rights to develop and commercialize certain&#xd;  
        products under our anti-VEGF intellectual property&#xd;    
        portfolio, including the fully human antibody&#xd;    
        AT001/r84.&amp;#160;&amp;#160;In consideration for the rights&#xd;     
        granted under our anti-VEGF antibody technology platform,&#xd; 
        we received non-refundable up-front license fees of&#xd;     
        $250,000.&amp;#160;&amp;#160;In addition, we received aggregate&#xd;  
        milestone payments of $1,000,000 associated with the&#xd; 
        delivery of two preclinical development packages as defined&#xd;   
        in the Affitech Agreements.&amp;#160;&amp;#160;We could also&#xd;    
        receive up to $16,500,000 in future milestone payments&#xd;   
        based on the achievement of all clinical and regulatory&#xd;    
        milestones for product approval by Affitech or an&#xd;   
        affiliate, plus a royalty on net sales, as defined in the&#xd; 
        Affitech Agreements.&amp;#160;&amp;#160;These potential future&#xd; 
        milestone payments payable under the Affitech Agreements&#xd;     
        entail no performance obligations on our part and,&#xd;    
        accordingly, these payments will not be accounted for under&#xd;   
        the provisions of ASU No. 2010-17.&amp;#160;&amp;#160;Therefore, we&#xd; 
        expect to recognize revenue on the future potential&#xd;     
        milestone payments in accordance with the authoritative&#xd;    
        guidance for revenue recognition, either when the milestone&#xd;   
        is achieved, if our future obligations are considered&#xd;  
        inconsequential, or recognized as revenue on a&#xd;     
        straight-line basis over a performance obligation period,&#xd; 
        if continued performance or future obligations&#xd;     
        exist.&amp;#160;&amp;#160;To date, no clinical or regulatory&#xd;    
        milestones as defined in the Affitech Agreements have been&#xd;  
        achieved by Affitech or an&#xd;     
        affiliate.&amp;#160;&amp;#160;&amp;#160;&amp;#160;In addition, in the event&#xd;    
        Affitech enters into a sublicense agreement with a&#xd;    
        non-affiliate for the anti-VEGF technology platform before&#xd;  
        the treatment of the first patient in a Phase I study, we&#xd; 
        shall receive forty-five percent (45%) of all payments&#xd;   
        received under any such sublicenses after Affitech deducts&#xd;  
        fifty percent (50%) of its incurred development costs under&#xd;   
        the program.&amp;#160;&amp;#160;Under the Affitech Agreements, we&#xd;    
        also granted Affitech a research license in the ocular&#xd;   
        field with an option to grant sub-licenses in the ocular&#xd;     
        field.&amp;#160;&amp;#160;If Affitech exercises this option to&#xd; 
        grant sub-licenses in the ocular field, we would receive&#xd;     
        pre-defined up-front fees, milestone payments, and a&#xd; 
        royalty on net sales.&amp;#160;&amp;#160;In accordance with the&#xd;  
        authoritative guidance for revenue recognition, the license&#xd;   
        includes multiple elements that are not separable and,&#xd;   
        accordingly, are being accounted for as a single unit of&#xd;     
        accounting.&amp;#160;&amp;#160;In addition, we determined that our&#xd;     
        obligations would be up to a four year period and&#xd;   
        therefore, we are recognizing the non-refundable up-front&#xd; 
        license fees of $250,000 and the additional $1,000,000&#xd;   
        associated with other deliverables, as defined in the&#xd;  
        Affitech Agreements, on a straight-line basis over a four&#xd; 
        year period.&amp;#160;&amp;#160;However, we will continue to&#xd;    
        reassess the length of our obligation period, and&#xd;   
        accordingly, our estimated obligation period may change&#xd;    
        based on future events.&amp;#160;&amp;#160;We recognized revenue&#xd;   
        under the Affitech Agreements of $78,000 and $272,000 for&#xd; 
        the three and nine months ended January 31, 2012,&#xd;   
        respectively, and $79,000 and $272,000 for the three and&#xd;     
        nine months ended January 31, 2011, respectively, which&#xd;    
        amounts are included in license revenue in the accompanying&#xd;   
        interim unaudited condensed consolidated financial&#xd;    
        statements.&amp;#160;&amp;#160;Amounts received prior to satisfying&#xd; 
        our revenue recognition criteria are recorded as deferred&#xd; 
        revenue in the accompanying interim unaudited condensed&#xd;    
        consolidated financial statements.&lt;/font&gt;&#xd; 
      &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;     
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd; 
      September 2010, Peregrine and Affitech amended certain terms&#xd;  
      of the Affitech Agreements&amp;#160;&amp;#160;for sublicenses entered&#xd; 
      into by Affitech with non-affiliates for the territories of&#xd; 
      Brazil, Russia and other countries of the Commonwealth of&#xd;    
      Independent States (CIS) (&amp;#8220;September 2010&#xd;   
      Amendment&amp;#8221;).&amp;#160;&amp;#160;Under the amended terms,&#xd;   
      Peregrine agreed to forego its aforementioned sublicense fee&#xd;  
      equal to forty-five percent (45%) of the payments received by&#xd;   
      Affitech (after Affitech deducts fifty percent (50%) of its&#xd; 
      incurred development costs under the program) for the&#xd;     
      territories of Brazil, Russia, and the CIS, provided however,&#xd;   
      that Affitech&amp;#160;&amp;#160;reinvests such sublicense payments&#xd;    
      toward the further development of AT001/r84 in those&#xd;    
      territories.&amp;#160;&amp;#160;In the event Affitech enters into a&#xd;    
      licensing transaction for AT001/r84 with a non-affiliate in a&#xd;   
      major pharmaceutical market (defined as U.S., European Union,&#xd;   
      Switzerland, United Kingdom and/or Japan), Affitech has&#xd;  
      agreed to reimburse us the aforementioned sublicense fees we&#xd;  
      agreed to forego that were applied to the AT001/r84 program&#xd; 
      while Affitech will be eligible to be reimbursed for up to&#xd;     
      50% of their development costs in Brazil, Russia and CIS&#xd;   
      territories.&amp;#160;&amp;#160;The remaining terms of the Affitech&#xd;    
      Agreements remain unchanged, including milestone and royalty&#xd;  
      payments.&amp;#160;&amp;#160;To date, we have not received any&#xd;    
      payments from Affitech under the September 2010&#xd;    
      Amendment.&lt;/font&gt;&#xd;     
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;During&#xd; 
      May 2010, we entered into an assignment agreement and a&#xd;  
      license agreement (collectively, the&#xd;   
      &amp;#8220;Agreements&amp;#8221;) with an unrelated entity to develop&#xd; 
      our Tumor Necrosis Therapy (&amp;#8220;TNT&amp;#8221;) technologies&#xd;    
      in certain Asia-Pacific Economic Cooperation (APEC)&#xd;   
      countries.&amp;#160; Under the terms of the Agreements, we&#xd;     
      licensed certain non-exclusive and exclusive rights and&#xd;  
      assigned certain exclusive development and commercialization&#xd;  
      rights under our TNT program in certain APEC countries.&amp;#160;&#xd;  
      We have retained exclusive rights to our TNT program in the&#xd; 
      U.S., European Union countries, and other select countries&#xd;     
      internationally.&amp;#160; Under the terms of the Agreements,&#xd;   
      aggregate fees in the amount of $500,000 are to be paid over&#xd;  
      a period of two years plus annual maintenance fees ranging&#xd;     
      from $100,000 to $250,000, as defined in the Agreements&#xd;  
      beginning May 2011 through 15 years following the date of the&#xd;   
      first commercial sale.&amp;#160; In addition, we could also&#xd; 
      receive low double digit royalties on net sales, as defined&#xd; 
      in the Agreements.&amp;#160; In accordance with the terms of the&#xd; 
      Agreements, we are obligated to deliver certain purchased&#xd;    
      patents, know-how and materials (the &amp;#8220;Purchased&#xd;    
      Assets&amp;#8221;), and we are obligated to supply certain&#xd;     
      quantities of research materials as defined in the&#xd;  
      Agreements.&amp;#160; In addition, we have also agreed to provide&#xd;  
      certain manufacturing services, provided such manufacturing&#xd; 
      services are requested by the unrelated entity within a&#xd;  
      certain period of time and for certain agreed upon fees as&#xd;     
      defined in the Agreements.&amp;#160; We have determined that,&#xd;   
      pursuant to the authoritative guidance for revenue&#xd;  
      recognition for multiple element arrangements, there was&#xd;   
      objective and reliable evidence of fair value of the&#xd;    
      undelivered elements (manufacturing commitment services) in&#xd; 
      the arrangement, but no such evidence of fair value for any&#xd; 
      other element in the arrangement.&amp;#160; Therefore, we utilize&#xd;  
      the residual method to allocate the consideration received&#xd;     
      under the arrangement.&amp;#160; Under the residual method, the&#xd;     
      amount of consideration allocated to all other elements in&#xd;     
      the arrangement (delivered and undelivered) equals the total&#xd;  
      arrangement consideration less the aggregate fair value of&#xd;     
      the undelivered elements with stand-alone fair value&#xd;    
      (manufacturing commitment services).&amp;#160; To date, we have&#xd;     
      allocated the total arrangement consideration to the&#xd;    
      undelivered elements with stand-alone fair value&#xd;     
      (manufacturing commitment services) since the fair value of&#xd; 
      these undelivered elements exceeded the total consideration&#xd; 
      received to date under the arrangement.&amp;#160; As such, we&#xd;   
      will recognize revenue associated with the Purchased Assets&#xd; 
      and manufacturing commitment services we agreed to under the&#xd;  
      Agreements upon delivery of these manufacturing services&#xd;   
      based on the relative fair value of the services.&amp;#160; To&#xd;    
      date, we have not recognized any revenue associated with the&#xd;  
      Purchased Assets and manufacturing commitment services we&#xd;    
      agreed to under these Agreements.&amp;#160; However, during the&#xd;     
      quarter ended July 31, 2011, we received a non-refundable&#xd;    
      annual maintenance fee of $100,000 in accordance with the&#xd;    
      terms of the Agreements, which amount is included in license&#xd;  
      revenue in the accompanying interim unaudited condensed&#xd;  
      consolidated financial statements for the nine months ended&#xd; 
      January 31, 2012.&amp;#160;&amp;#160;Any amounts received prior to&#xd;   
      satisfying our revenue recognition criteria are recorded as&#xd; 
      deferred revenue in the accompanying interim unaudited&#xd; 
      condensed consolidated financial statements.&lt;/font&gt;&#xd;    
    &lt;/div&gt;&lt;br/&gt;</us-gaap:RevenueRecognitionServicesLicensingFees>   
  <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock contextRef="c4_From1May2011To31Jan2012">&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;13.&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;COMMITMENTS&#xd;    
      AND CONTINGENCIES&lt;/font&gt;&#xd;  
    &lt;/div&gt;&lt;br/&gt;&lt;div style=&quot;LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt&quot; align=&quot;justify&quot;&gt;&#xd;   
      &lt;font style=&quot;DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt&quot;&gt;From&#xd;    
      time to time, we are involved in legal disputes arising in&#xd;     
      the normal course of our business.&amp;#160;&amp;#160;We are not&#xd; 
      presently subject to any material litigation or other dispute&#xd;   
      nor, to management&amp;#8217;s knowledge, is any litigation or&#xd;    
      other proceeding threatened against us that collectively is&#xd; 
      expected to have a material adverse effect on our&#xd; 
      consolidated cash flows, financial condition or results of&#xd;     
      operations.&lt;/font&gt;&#xd; 
    &lt;/div&gt;&lt;br/&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>     
</xbrl>