Preferred Stock [Member] Common Stock [Member] Treasury Stock [Member] Additional Paid-In Capital [Member] Document, Entity Information Statement Entities [Table] Legal Entity [Axis] Entity [Domain] Document and Entity Information Document Type Amendment Flag Amendment Description Document Period End Date Trading Symbol Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Voluntary Filers Entity Well Known Seasoned Issuer Entity Public Float Document Fiscal Year Focus Document Fiscal Period Focus Statement of Financial Position Statement [Table] Statement [Line Items] ASSETS Current assets: Cash and cash equivalents Cash Unbilled contract payments receivable Deferred financing costs Prepaid expenses Total current assets Total current assets Property and equipment, net Security deposits and other assets Total assets Total assets LIABILITIES, PREFERRED STOCK AND STOCKHOLDERS' DEFICIT Current liabilities: Accounts payable Accounts payable Accrued expenses Notes payable and accrued interest Notes payable and accrued interest Notes payable and accrued interest to related parties Notes payable and accrued interest to related parties Notes payable and accrued interest to related parties Put option and note term extension option liabilities Put option and note term extension option liabilities Capital lease obligations Capital lease obligations Non-interest bearing promissory notes, net, including $525,000 to related parties Non-interest bearing promissory notes, net, including $525,000 to related parties Deferred revenues Deferred revenues Convertible promissory notes, including $947,368 to related parties at March 31, 2011 - current portion Accrued interest on convertible promissory notes Accrued interest on convertible promissory notes Accrued interest on convertible promissory notes Total current liabilities. Total current liabilities Non-current liabilities: Notes payable and accrued interest. Notes payable and accrued interest, Non-current Notes payable and accrued interest, Non-current Notes payable and accrued interest to related parties. Notes payable and accrued interest to related parties, Non-current Notes payable and accrued interest to related parties, Non-current Convertible promissory notes, net of current portion Convertible promissory notes, net of current portion Convertible promissory notes, net of current portion Accrued interest on convertible promissory notes. Accrued interest on convertible promissory notes, Non-current Accrued interest on convertible promissory notes, Non-current Accrued officers' compensation Accrued officers' compensation Capital lease obligations. Capital lease obligations, Non-current Accounts payable. Accounts payable, Non-current Accounts payable, Non-current Warrant liability Warrant liability Total non-current liabilities Total non-current liabilities Total liabilities Total liabilities Commitments and contingencies Preferred stock, no par value; no shares authorized at December 31, 2011; 20,000,000 shares authorized at March 31, 2011; no shares issued and outstanding at December 31, 2011; 2,884,655 shares issued and outstanding at March 31, 2011 Preferred Stock, no par value Stockholders' deficit: Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2011; no shares authorized at March 31, 2011; 437,055 Series A shares issued and outstanding at December 31, 2011; no shares issued and outstanding at March 31, 2011 Preferred Stock, Series A Common stock, $0.001 par value; 200,000,000 and 75,000,000 shares authorized at December 31, 2011 and March 31, 2011, respectively; 18,512,506 and 5,241,110 shares issued at December 31, 2011 and March 31, 2011, respectively Additional paid-in capital Treasury stock, at cost, 2,083,858 shares of common stock held at December 31, 2011; no shares held at March 31, 2011 Treasury stock, at cost, 2,083,858 shares of common stock held at December 31, 2011; no shares held at March 31, 2011 Notes and other receivables from sale of common stock to and upon exercise of warrants by others at December 31, 2011 and upon exercise of options and warrants by related parties at March, 31, 2011 Notes receivable from sale of common stock to others at June 30, 2011 and to related parties upon exercise of options and warrants at March, 31, 2011 Deficit accumulated during development stage Total stockholders' deficit Total stockholders' deficit Total liabilities, preferred stock and stockholders' deficit Total liabilities, preferred stock and stockholders' deficit Convertible promissory notes Convertible promissory notes Preferred Stock, No Par Value Preferred Stock, No Par Value Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Preferred Stock Series A, per value Preferred Stock Series A, per value Preferred Stock Series A, Authorized Preferred Stock Series A, Authorized PreferredStockSeriesASharesIssued PreferredStockSeriesASharesIssued PreferredStockSeriesASharesOutstanding PreferredStockSeriesASharesOutstanding Common Stock, Par Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Treasury Stock, Shares Notes receivable from sale of common stock Notes receivable from sale of common stock Notes receivable from sale of common stock Income Statement Revenues: Grant revenue Collaboration revenue Collaboration revenue Other Total revenues Total revenues Operating expenses: Research and development Acquired in-process research and development Acquired in-process research and development General and administrative Total operating expenses Total operating expenses Loss from operations Loss from operations Other expenses, net: Interest expense, net Interest expense, net Change in put and note extension option and warrant liabilities Change in put and note extension option and warrant liabilities Change in put and note extension option and warrant liabilities Loss on early extinguishment of debt Loss on early extinguishment of debt Other income Loss before income taxes Loss before income taxes Income taxes Income taxes Net loss Net loss Basic and diluted net loss per common share Weighted average shares used in computing basic and diluted net loss per common share Statement of Cash Flows Cash flows from operating activities: Net loss Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization Acquired in-process research and development Amortization of imputed discount on non-interest bearing notes Amortization of imputed discount on non-interest bearing notes Amortization of discounts on 7%, 7.5% and 10% notes Amortization of discounts on 7%, 7.5% and 10% notes Amortization of discounts on Platinum notes Amortization of discounts on Platinum Notes Amortization of discounts on August 2010 short-term notes Amortization of discounts on August 2010 Short-Term Notes Loss on early extinguishment of debt Change in put and note term extension option and warrant liabilities Change in put and note term extension option and warrant liabilities Stock-based compensation Expense related to modification of warrants Expense related to modification of warrants Fair value of Series C preferred stock, common stock, and warrants granted for services Consulting services by related parties settled by issuing promissory notes Consulting services by related parties settled by issuing promissory notes Gain on sale of assets Gain on sale of assets Changes in operating assets and liabilities: Unbilled contract payments receivable Unbilled contract payments receivable (IncreaseDecreaseInAccountsReceivable) Prepaid expenses and other current assets Prepaid expenses and other current assets Security deposits and other assets Security deposits and other assets (IncreaseDecreaseInDepositOtherAssets) Accounts payable and accrued expenses Deferred revenues. Net cash used in operating activities Net cash used in operating activities Cash flows from investing activities: Purchases of equipment, net Purchases of equipment, net Net cash used in investing activities Net cash used in investing activities Cash flows from financing activities: Net proceeds from issuance of common stock and warrants, including units Net proceeds from issuance of preferred stock and warrants Proceeds from exercise of warrants under discounted warrant exercise program Proceeds from issuance of notes under line of credit Proceeds from issuance of 7% note payable to founding stockholder Proceeds from issuance of 7% note payable to Founding stockholder Net proceeds from issuance of 7% convertible notes Net proceeds from issuance of 7% convertible notes Net proceeds from issuance of 10% convertible notes and warrants Net proceeds from issuance of 10% convertible notes and warrants Net proceeds from issuance of Platinum notes and warrants Net proceeds from issuance of Platinum Notes and warrants Net proceeds from issuance of 2008/2010 notes and warrants Net proceeds from issuance of 2008/2010 Notes and warrants Net proceeds from issuance of 2006/2007 notes and warrants Net proceeds from issuance of 2006/2007 Notes and warrants Proceeds from issuance of 7% notes payable Proceeds from issuance of 7% notes payable Net proceeds from issuance of August 2010 short-term notes and warrants Net proceeds from issuance of August 2010 Short- Term Notes and warrants Repayment of capital lease obligations Repayment of capital lease obligations Repayment of notes Repayment of notes Net cash provided by financing activities Net cash provided by financing activities Net increase in cash and cash equivalents Net increase (decrease) in cash Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Statement of Stockholders Equity Beginning Balance (Shares) Beginning Balance (Shares) Ending Balance (Shares) Notes to the Financial Statements History and Organization [Text Block] History and Organization [Text Block] Basis of Presentation and Going Concern [Text Block] Summary of Significant Accounting Policies [Text Block] Fair Value Measurements [Text Block] Convertible Promissory Notes And Other Notes Payable [Text Block] Convertible Promissory Notes And Other Notes Payable [Text Block] Licensing And Collaborative Agreements [Text Block] Licensing And Collaborative Agreements [Text Block] Common Stock [Text Block] Common Stock [Text Block] Related Party Transactions [Text Block] Subsequent Events [Text Block]