001 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:definitionLink link:calculationLink 002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:definitionLink link:calculationLink 004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:definitionLink link:calculationLink 005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - CASH AND CASH EQUIVALENTS, MARKETABLE SECURITIES AND RESTRICTED CASH link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - LEGAL PROCEEDINGS link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - NET LOSS PER SHARE OF COMMON STOCK link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - INCOME TAXES link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - BUSINESS CONCENTRATIONS AND CREDIT RISK link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - RESTRUCTURING AND OTHER CHARGES link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - DISCONTINUED OPERATIONS link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - OTHER LIABILITIES link:presentationLink link:definitionLink link:calculationLink 000 - Disclosure - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink