Document and entity information. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Current Fiscal Year End Date Entity Central Index Key Entity Filer Category Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Restricted Cash and Cash Equivalents, Current Restricted cash Short-term Investments Short-term investments Short-term Investments, Total Prepaid Expense and Other Assets, Current Prepaid expenses and other Prepaid Expense and Other Assets, Current, Total Assets, Current Total current assets Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Intangible Assets, Net (Excluding Goodwill), Total Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Goodwill, Total Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Fixed assets, net Property, Plant and Equipment, Net, Total Deposits Assets, Noncurrent Deposits Deferred Costs, Noncurrent Deferred offering costs Deferred Costs, Noncurrent, Total Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Accrued Liabilities, Current Accrued liabilities Accrued Liabilities, Current, Total Common stock warrant liability. Common Stock Warrant Liability Common stock warrant liability Deferred Rent Credit, Current Deferred rent Capital Lease Obligations, Current Capital lease liability - current Liabilities, Current Total current liabilities Capital Lease Obligations, Noncurrent Capital lease liability - long-term Liabilities Total liabilities Commitments And Contingencies' Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity (deficit): Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred stock, $0.001 par value, 15,000,000 shares authorized, zero shares issued and outstanding Preferred Stock, Value, Issued, Total Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, $0.001 par value, 150,000,000 shares authorized 48,854,168 and 35,569,188 shares issued and outstanding as at February 29, 2012, and August 31, 2011, respectively Common Stock, Value, Issued, Total Additional Paid in Capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional Paid in Capital, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Development Stage Enterprise, Deficit Accumulated During Development Stage Deficit accumulated during development stage Deficit accumulated during development stage Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity (deficit) Total stockholders' equity (deficit) Liabilities and Equity Total liabilities and stockholders' equity (deficit) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Common stock, shares outstanding Condensed Consolidated Statements Of Comprehensive Loss [Abstract] Operating Expenses [Abstract] Operating expenses: General and Administrative Expense General and administrative General and Administrative Expense, Total Research and Development Expense Research and development Research and Development Expense, Total Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Investment Income, Interest Interest income Interest income Interest Expense Interest expense Interest expense Interest Expense, Total Foreign Currency Transaction Gain (Loss), before Tax Foreign currency transaction gain (loss) Foreign Currency Transaction Gain (Loss), before Tax, Total Foreign currency transaction gain (loss) Unrealized Gain (Loss) on Investments Unrealized gain on short-term investments Unrealized Gain (Loss) on Investments, Total Adjustment to fair value of common stock warrants. Adjustment to Fair Value of Common Stock Warrants Adjustment to fair value of common stock warrants Adjustment to fair value of common stock warrants Net Income (Loss) Attributable to Parent Net loss Net loss Net Loss Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Foreign currency translation loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Earnings Per Share [Abstract] Net loss per share: Earnings Per Share, Basic and Diluted Basic and diluted Earnings Per Share, Basic and Diluted, Total Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares outstanding used to compute: Weighted average number of share outstanding basic and diluted, shares. Weighted Average Number of Share Outstanding Basic and Diluted, Shares Basic and diluted Condensed Consolidated Statement Of Stockholders' Equity (Deficit) [Abstract] Statement, Equity Components [Axis] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid- In Capital [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Equity Component [Domain] Equity Component [Domain] Deficit Accumulated During Development Stage [Member] Deficit Accumulated During Development Stage [Member] Deficit Accumulated During Development Stage [Member] Shares, Issued Balance, shares Balance, shares Exercise of common stock warrants. Exercise of Common Stock Warrants Exercise of common stock warrants Exercise of common stock warrants. Exercise of Common Stock Warrants,Shares Exercise of common stock warrants, shares Stock Issued During Period, Value, Stock Options Exercised Exercise of common stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of common stock options, shares Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Employee stock-based compensation expense Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures, Total Fair value of warrant liability reclassified to equity upon exercise. Fair Value of Warrant Liability Reclassified to Equity Upon Exercise Fair value of warrant liability reclassified to equity upon exercise Reclassification of the fair value of warrant liabilities upon exercise Stock Issued During Period, Value, New Issues Issuance of common stock in a follow-on public offering at $4.00 per share purchase price, net of fundraising costs totaling $3,166,146 Stock Issued During Period, Shares, New Issues Issuance of common stock in a follow-on public offering at $4.00 per share purchase price, net of fundraising costs totaling $3,166,146, shares Issuance of common stock in a follow-on public offering share purchase price, net of fundraising costs totaling. Issuance of Common Stock in a Follow-On Public Offering Share Purchase Price, net of Fundraising Costs Totaling Issuance of common stock in a follow-on public offering, purchase price Issuance of common stock in a follow-on public offering, fundraising costs. Issuance of Common Stock in a Follow-On Public Offering, Fundraising Costs Issuance of common stock in a follow-on public offering, fundraising costs Condensed Consolidated Statements of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net loss to net cash used in operating activities: Share-based Compensation Employee stock-based compensation exp. Employee stock-based compensation exp. Share-based Goods and Nonemployee Services Transaction, Expense Consultant stock-based compensation exp. Fair value adjustment of common stock warrants. Fair Value Adjustment of Common Stock Warrants Fair value adjustment of common stock warrants Amortization of Intangible Assets Amortization of intangible assets Amortization of Intangible Assets, Total Depreciation Depreciation of fixed assets Depreciation, Total Dividends, net of unrealized loss on short-term investments. Dividends, Net of Unrealized Loss on Short-Term Investments Unrealized gain on short-term investments Unrealized gain on short-term investments Amortization Write-off of intangible assets and other intellectual property Amortization, Total Cost of Services, Amortization Amortization of capitalized finder's fee Amortization of Acquisition Costs Capitalized acquisition costs previously expensed Changes in assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets, Total Increase (Decrease) in Intangible Assets, Current Intangible assets Intangible assets Increase (Decrease) in Deposit Assets Deposits Deposits Increase (Decrease) in Deposit Assets, Total Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accounts Payable, Total Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Accrued Liabilities, Total Increase (decrease) in deferred rent. Increase (Decrease) in Deferred Rent Deferred rent Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Cash flows from investing activities: Payments to Acquire Productive Assets Purchase of fixed assets Purchase of fixed assets Payments to Acquire Productive Assets, Total Cash acquired in 2009 merger. Cash Acquired in 2009 Merger Cash acquired in 2009 Merger Increase (Decrease) in Restricted Cash Increase in restricted cash Increase in restricted cash Increase (Decrease) in Restricted Cash, Total Payments to Acquire Investments Purchase of short-term investments Purchase of short-term investments Payments to Acquire Investments, Total Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Cash flows from financing activities: Proceeds from Issuance of Common Stock Proceeds from the sale of common stock Proceeds from the sale of common stock under an equity line. Proceeds from the Sale of Common Stock Under an Equity Line Proceeds from the sale of common stock under an equity line Proceeds from Warrant Exercises Proceeds from the exercise of common stock warrants Proceeds from Stock Options Exercised Proceeds from the exercise of common stock options Fundraising costs. Fundraising Costs Fundraising costs Proceeds from Issuance of Private Placement Proceeds from the sale of common stock to initial investors Proceeds from Loan Originations Proceeds from bridge loan Proceeds from bridge loan Repayments of Debt Repayment of bridge loan Repayments of Debt and Capital Lease Obligations Principal payments on capital lease Principal payments on capital lease Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Foreign currency translation gain (loss) Effect of Exchange Rate on Cash and Cash Equivalents, Total Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease), Total Supplemental disclosure of non-cash financing activities: Warrants issued in connection with financing. Warrants Issued in Connection With Financing Warrants issued in connection with financing Common stock issued as fee for equity line. Common Stock Issued as Fee for Equity Line Common stock issued as fee for equity line Common stock and warrants issued in connection with reverse merger. Common Stock and Warrants Issued in Connection with Reverse Merger Common stock and warrants issued in connection with reverse merger Common Stock Issued As Fees For Equity Line Common Stock Issued As Fees For Equity Line Common stock issued as fee for equity line Capital Lease Obligations Incurred Acquisition of equipment in exchange for capital lease Notes Issued Notes receivable issued in exchange for common stock Common stock issued for a finder's fee. Common Stock Issued for a Finder's Fee Common stock issued for a finder's fee Common stock issued in asset purchase. Common Stock Issued in Asset Purchase Common stock issued in asset purchase Nature Of Operations And Business Risks [Abstract] Nature of Operations [Text Block] Nature Of Operations And Business Risks Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Intangible Assets And Goodwill [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Intangible Assets And Goodwill Fixed Assets [Abstract] Property, Plant and Equipment Disclosure [Text Block] Fixed Assets Fair Value Measurement [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurement Accrued Liabilities [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Liabilities Stock Option Plans [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Option Plans Issuance Of Common Stock [Abstract] Issuance Of Common Stock [Abstract] Issuance of common stock. Issuance of Common Stock' Issuance Of Common Stock Warrants [Abstract] Warrants. Warrants' Warrants Commitments And Contingencies [Abstract] CommitmentsAndContingenciesDisclosureTextBlock Commitments And Contingencies Qualifying therapeutic discovery project grant. Qualifying Therapeutic Discovery Project Grant [Abstract] Qualifying therapeutic discovery project grant. Qualifying Therapeutic Discovery Project Grant Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events