Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts and Other Receivables [Line Items] Accounts And Other Receivables [Line Items] Accounts and Other Receivables [Line Items] Accounts and Other Receivables [Table] Accounts And Other Receivables [Table] Accounts and Other Receivables [Table] Accounts Payable And Accrued Liabilities Disclosure [Text Block] Accrued expenses and other current liabilities Accounts Payable Current Accounts payable Accrued Expenses and Other Current Liabilities [Line Items] Accrued Expenses And Other Current Liabilities [Line Items] Accrued Expenses and Other Current Liabilities [Line Items] Accrued Expenses and Other Current Liabilities [Table] Accrued Expenses And Other Current Liabilities [Table] Accrued Expenses and Other Current Liabilities [Table] Accrued interest on investments, net of amortization of discounts. Accrued Interest On Investments Net Of Amortization Of Discounts Accrued interest on investments, net of amortization of discounts Accrued Liabilities Current Accrued expenses and other current liabilities Accrued expenses and other current liabilities Research and clinical trial costs accrued. Accrued Research And Clinical Trial Costs Research and clinical trial costs Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Additional Paid In Capital Common Stock Additional paid-in capital Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Aggregate Offering Price Under Each Agreement Aggregate Offering Price Under Each Agreement Aggregate offering price of common stock under agreement Agreements [Axis] Agreements [Axis] Agreements [Axis] Agreements [Domain] Agreements [Domain] Agreements [Domain] Agreement Type [Axis] Agreement Type [Axis] Agreement Type [Axis] Agreement Type [Domain] Agreement Type [Domain] Agreement Type [Domain] Allocated Share Based Compensation Expense Stock-based compensation Amendment Flag Amendment Flag Amortization Of Financing Costs And Discounts Accretion of debt issuance expense Amortization period of lease hold improvements. Amortization Period Of Lease Hold Improvements Amortization period of lease hold improvements Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Antidilutive securities Assets Total Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: At Market Sales Agreement [Member] At Market Sales Agreement [Member] At Market Sales Agreement Available borrowings under the loan agreement. Available Borrowings Under Loan Agreement Available borrowings under loan agreement Available For Sale Securities Gross Realized Gain Loss Net Loss on available-for-sale securities Award Type [Axis] Award Type [Axis] Shares used to compute basic and diluted net loss per share applicable to common stockholders. Basic And Diluted Weighted Average Number Of Shares Outstanding Shares used to compute basic and diluted net loss per share applicable to common stockholders Basis of Presentation. Basis Of Presentation Policy [Text Block] Basis of Presentation Borrowing rate. Borrowing Rate Borrowing rate Building Improvements [Member] Building Improvements Building [Member] Buildings Business. Business Policy [Text Block] Business Cancellation of principal on note payable to related party. Cancellation Of Principal On Note Payable To Related Party Cancellation of principal on note payable to related party 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 Period Increase Decrease NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash Equivalents At Carrying Value Cash and cash equivalents Class Of Stock [Line Items] Class of Stock [Line Items] Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Rate at which warrants are exercisable Collection of Series C convertible preferred stock subscriptions receivable. Collection Of Convertible Preferred Stock Subscriptions Receivable Collection of Series C convertible preferred stock subscriptions receivable Commitments And Contingencies Commitments and contingencies Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and contingencies Common and preferred stock. Common And Preferred Stock [Text Block] Common and preferred stock Common Stock Issuable Upon Exercise of Warrants Conversion Ratio Common Stock Issuable Upon Exercise Of Warrants Conversion Ratio Warrant entitles the holder to purchase a share of common stock Common stock loaned under share lending agreement, shares. Common Stock Loaned Under Share Lending Agreement Shares Common stock loaned under share lending agreement, shares Common Stock Par Or Stated Value Per Share Common stock, par value Common stock purchase. Common Stock Purchase Common stock purchase Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Capital stock authorized Common stock, shares outstanding Common Stock Value Common stock, $0.01 par value - 550,000,000 shares authorized at March 31, 2013 and December 31, 2012; 289,375,250 and 286,035,082 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively Comprehensive Income Net Of Tax Comprehensive loss Comprehensive Income Net Of Tax [Abstract] Other comprehensive loss: Computer equipment and software. Computer Equipment And Software [Member] Computer Equipment and Software Construction In Progress Expenditures Incurred But Not Yet Paid Non-cash construction in progress and property and equipment Construction In Progress [Member] Construction in Progress Construction Payable Current Construction in progress Conversion Of Stock Amount Converted 1 Conversion of Series A redeemable convertible preferred stock Convertible Debt [Line Items] Convertible Debt [Line Items] Convertible Debt [Line Items] Convertible Debt [Table] Convertible Debt [Table] Convertible Debt [Table] Convertible Long Term Notes Payable Senior convertible notes Convertible Notes Payable Senior convertible notes Convertible Notes Payable Current Senior convertible notes Convertible Senior Notes Interest Rate Convertible Senior Notes Interest Rate Interest rate for senior subordinate note Current Fiscal Year End Date Current Fiscal Year End Date Debt conversion basis for determining conversion price. Debt Conversion Basis For Determining Conversion Price Consecutive trading days for which closing stock price is equal to 150% of conversion price Debt Conversion Converted Instrument Amount 1 Issuance of common stock upon conversion of notes payable Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument Basis Spread On Variable Rate Interest rate (LIBOR) Debt Instrument, Borrowing Date Debt Instrument Borrowing Date Available borrowings date Debt Instrument Carrying Amount Carrying value Net carrying amount Debt Instrument Convertible Conversion Price 1 Conversion price of shares Debt Instrument Convertible Conversion Ratio No of convertible shares Debt Instrument Description Of Variable Rate Basis Description of variable rate interest Debt Instrument Face Amount Principal amount Principal amount of convertible senior notes Debt Instrument Fair Value Estimated fair value Debt Instrument Interest Rate Stated Percentage Senior notes, effective interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Promissory note maturity date Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt issuance cost. Debt Issuance Cost Issuance cost Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Depreciation And Amortization Depreciation and accretion Depreciation and amortization expense. Depreciation And Amortization Expense Table [Text Block] Depreciation and Amortization Expense Depreciation and Other Amortization Expenses [Line Items] Depreciation And Other Amortization Expenses [Line Items] Depreciation and Other Amortization Expenses [Line Items] Depreciation and Other Amortization Expenses [Table] Depreciation And Other Amortization Expenses [Table] Depreciation and Other Amortization Expenses [Table] Depreciation Depletion And Amortization Depreciation and amortization expense Derivative fair value liability shares issuable to lender. Derivative Fair Value Liability Shares Issuable To Lender Number of Shares that recorded the portion of the derivative instrument representing equity Derivatives fair value liability shares issuable to lender. Derivatives Fair Value Liability Shares Issuable To Lender Number of Shares that recorded the portion of the derivative instrument representing outside of equity Development Stage Enterprise Deficit Accumulated During Development Stage Deficit accumulated during the development stage Deficit accumulated during the development stage Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Accounting for stock-based compensation Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Line Items] Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic And Diluted Net loss per share applicable to common stockholders - basic and diluted Earnings Per Share [Text Block] Net loss per common share Employee Related Liabilities Current Salary and related expenses Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee service share based compensation nonvested awards aggregate compensation cost not yet recognized not considered probable of achievement. Employee Service Share Based Compensation Nonvested Awards Aggregate Compensation Cost Not Yet Recognized Not Considered Probable Of Achievement Unrecognized expenses milestones not considered probable of achievement Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Unrecognized compensation cost related to non-vested stock options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition 1 Weighted average vesting period for unrecognized compensation cost Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity [Abstract] Equity [Abstract] Equity component. Equity Component [Member] Equity Component Estimated amounts credit exchange receivable. Estimated Amounts Credit Exchange Receivable Estimated amounts receivable under program Estimated Public Offering, Gross Proceeds Estimated Public Offering Gross Proceeds Additional gross proceeds from public offering Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Fair Value by Asset Class [Domain] Fair value assumption risk free interest rate. Fair Value Assumption Risk Free Interest Rate Risk Free Interest Rate Fair Value By Asset Class [Axis] Asset Class [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair value inputs discount for lack of marketability. Fair Value Input Discount For Lack Of Marketability Discount for lack of marketability Fair Value Instruments Classified In Shareholders Equity Measured On Recurring Basis Unobservable Input Reconciliation Table [Text Block] Changes in Fair Value of Level 3 Forward Purchase Contract Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets And Liabilities Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets And Liabilities Beginning balance Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Instruments Classified In Shareholders Equity Gain Loss Included In Other Comprehensive Income Loss Unrealized gain/(loss) included in other income (expense) Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Instruments Classified In Shareholders Equity Transfers Into Level 3 Issuance Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Value Of Instruments Classified In Shareholders Equity Ending balance Fair Value Of Financial Instruments Policy Fair Value of Financial Instruments Financial Instrument [Axis] Financial Instrument [Axis] Forward Contract Indexed To Issuers Equity Type [Axis] Forward Contract Indexed to Issuer's Equity, Type [Axis] Forward Contract Indexed To Issuers Equity Type [Domain] Forward Contract Indexed to Issuer's Equity, Type [Domain] Forward purchase contract contribution to additional paid in capital. Forward Purchase Contract Contribution To Additional Paid In Capital Forward purchase contract contribution to APIC Forward purchase contracts. Forward Purchase Contracts [Member] Forward Purchase Contracts Furniture, fixtures and office equipment. Furniture Fixtures And Office Equipment [Member] Furniture, fixtures and office equipment (Gain) loss on sale, abandonment/disposal or impairment of property and equipment. Gain Loss On Sale Abandonment Disposal Or Impairment Of Property And Equipment (Gain) loss on sale, abandonment/disposal or impairment of property and equipment Gain Loss Related To Litigation Settlement Litigation Settlement in stock General And Administrative Expense General and administrative Goodwill Impairment Loss Goodwill impairment Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Loss before benefit for income taxes Income Statement [Abstract] Income Statement [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income taxes Income Taxes Paid Cash paid for income taxes Income Tax Expense Benefit Income tax benefit Increase Decrease In Accounts Payable Accounts payable Increase Decrease In Accrued Liabilities And Other Operating Liabilities Accrued expenses and other current liabilities Increase decrease in fair value recognized in other income. Increase Decrease In Fair Value Recognized In Other Income Change in fair value recognized in other income Increase Decrease In Operating Capital [Abstract] Changes in assets and liabilities: Increase Decrease In Other Operating Assets Other assets Increase Decrease In Other Operating Liabilities Other liabilities Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other current assets Increase in additional paid-in capital resulting from merger. Increase In Additional Paid In Capital Resulting From Merger Increase in additional paid-in capital resulting from merger Interest Expense Debt Interest expense on senior convertible notes Interest Paid Interest paid in cash, net of amounts capitalized Interest Paid Capitalized Capitalization of interest on note payable to related party Interest Payable Current Accrued interest Interest Payable Current And Noncurrent Accrued interest Investment Income Interest Interest income Issuance of common stock and warrants gross value. Issuance Of Common Stock And Warrants Gross Value Underwritten public offering Issuance of Series C convertible preferred stock subscriptions. Issuance Of Convertible Preferred Stock Subscriptions Issuance of Series C convertible preferred stock subscriptions Issuance of put option by stockholder. Issuance Of Put Option By Stockholder Issuance of put option by stockholder Issuance of Series A redeemable convertible preferred stock. Issuance Of Redeemable Convertible Preferred Stock Issuance of Series A redeemable convertible preferred stock Land [Member] Land Leasehold Improvements [Member] Leasehold Improvements Legal Entity [Axis] Legal Entity [Axis] Letter agreement. Letter Agreement [Member] Letter Agreement Liabilities Total liabilities Liabilities And Stockholders Equity Total Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' DEFICIT Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Line Of Credit Facility Amount Outstanding Principal amount outstanding under credit facility Line Of Credit Facility Remaining Borrowing Capacity Amount available for future borrowings Loan agreement with related party. Loan Agreement With Related Party Loan agreement with related party Loan arrangement. Loan Arrangement [Member] Loan Arrangement Long Term Debt [Text Block] Senior convertible notes Longterm Debt Type [Axis] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Machinery And Equipment [Member] Machinery and Equipment The Mann Group. Mann Group [Member] Mann Group Maturity period of cash equivalents. Maturity Period Of Cash Equivalents Maturity period of cash equivalents Maximum [Member] Maximum Minimum [Member] Minimum Money Market Funds [Member] Money market funds Net Cash Provided By Used In Financing Activities Net cash provided by (used in) financing activities Net Cash Provided By Used In Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided By Used In Operating Activities Negative cash flow from operation since inception Net cash used in operating activities Net Cash Provided By Used In Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Income Loss Net loss Net loss Net Income Loss Available To Common Stockholders Basic Net loss applicable to common stockholders Net Income Loss Per Common Share [Line Items] Net Income Loss Per Common Share [Line Items] Net Income Loss Per Common Share [Line Items] Net Income Loss Per Common Share [Table] Net Income Loss Per Common Share [Table] Net Income Loss Per Common Share [Table] Net Proceeds From Public Offering Net Proceeds From Public Offering Net proceeds from public offering Nominal lending fee. Nominal Lending Fee Nominal lending fee Nontrade Receivables Current State research and development credit exchange receivable - current Nontrade Receivables Noncurrent State research and development credit exchange receivable - net of current portion Notes Payable Related Parties Classified Current Note payable to related party Notes Payable Related Parties Noncurrent Note payable to related party Number of months advances outstanding. Number Of Months Advances Outstanding Number of months advances outstanding Number of Shares of Common Stock in Each Unit Number Of Shares Of Common Stock In Each Unit Number of shares in each units issued Operating Expenses Total operating expenses Operating Expenses [Abstract] Operating expenses: Operating Income Loss Loss from operations Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Description of business and basis of presentation Other Accrued Liabilities Current Other Other Assets Noncurrent Other assets Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease [Abstract] Unrealized gain (loss) on investments: Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Cumulative translation (loss) gain Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Net unrealized (loss) gain on investments Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax Less: reclassification adjustment for gains (losses) included in net loss Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Unrealized holding gain (loss) during the period Other Noncash Income Expense Other, net Other Nonoperating Income Expense Other income (expense) Other than equity. Other Than Equity [Member] Other Than Equity Ownshare Lending Arrangement Shares Issued Shares loaned under the share lending arrangement Ownshare Lending Arrangement Shares Outstanding Companies common stock share outstanding Payables And Accruals [Abstract] Payables and Accruals [Abstract] Payment of employment taxes related to vested restricted stock units. Payment Of Employment Taxes Related To Vested Restricted Stock Units Payment of employment taxes related to vested restricted stock units Payments For Repurchase Of Common Stock Repurchase of common stock Payments To Acquire Available For Sale Securities Purchase of marketable securities Payments To Acquire Property Plant And Equipment Purchase of property and equipment Percentage of conversion price equaling stock price. Percentage Of Conversion Price Equaling Stock Price Percentage of conversion price equaling stock price Percentage of credit exchange receivable. Percentage Of Credit Exchange Receivable Percentage of credit exchange receivable Percentage of redemption price. Percentage Of Redemption Price Percentage of redemption price Percentage of repurchase price. Percentage Of Repurchase Price Percentage of repurchase price Performance Based Share Awards [Member] Performance Based Share Awards [Member] Performance based restricted stock units Performance options. Performance Options [Member] Performance Options Preferred Stock Conversions Inducements Deemed dividend related to beneficial conversion feature of convertible preferred stock Preferred Stock Par Or Stated Value Per Share Common stock, par value Undesignated preferred stock, par value Preferred Stock Shares Authorized Undesignated preferred stock, shares authorized Preferred Stock Shares Issued Undesignated preferred stock, shares issued Preferred Stock Shares Outstanding Undesignated preferred stock, shares outstanding Preferred Stock, Shares Undesignated Preferred Stock Shares Undesignated Undesignated preferred stock, shares authorized Preferred Stock Value Undesignated preferred stock, $0.01 par value - 10,000,000 shares authorized; no shares issued or outstanding at March 31, 2013 and December 31, 2012 Prepaid and other current assets under credit exchange program. Prepaid And Other Current Assets Under Credit Exchange Program Prepaid and other current assets under credit exchange program Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Principal amount per share. Principal Amount Per Share Principal amount per share Private Placement [Member] Private Placement Proceeds From Collection Of Notes Receivable Proceeds from notes receivables Proceeds From Convertible Debt Proceeds from senior convertible notes Proceeds From Issuance Initial Public Offering Net proceeds from public offering Proceeds From Issuance Of Common Stock Cash received for common stock to be issued Issuance of common stock and warrants. Proceeds From Issuance Of Common Stock And Warrants Net proceeds from offering The cash inflow from the additional capital contribution to the entity including any warrants issued. Proceeds are net of cash outflows for issuance costs related to the transaction. Proceeds From Issuance Of Common Stock And Warrants Net Issuance of common stock and warrants, net of issuance costs Proceeds From Issuance Of Convertible Preferred Stock Issuance of Series B convertible preferred stock for cash Proceeds From Long Term Lines Of Credit Borrowings under lines of credit Proceeds From Notes Payable Borrowings on notes payable Proceeds From Related Party Debt Borrowings on notes payable to related party Proceeds From Sale And Maturity Of Available For Sale Securities Sales and maturities of marketable securities Proceeds From Sale Of Property Plant And Equipment Proceeds from sale of property and equipment Property Plant And Equipment [Abstract] Property, Plant and Equipment [Abstract] Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Disclosure [Text Block] Property and equipment Property Plant And Equipment Gross Property and equipment - gross Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Property Plant And Equipment Net Property and equipment - net Property and equipment - net Property Plant And Equipment [Text Block] Property and Equipment Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Property Plant And Equipment Useful Life Estimated Useful Life (Years) Put option redemption by stockholder. Put Option Redemption By Stockholder Put option redemption by stockholder Put shares sold to majority stockholder. Put Shares Sold To Majority Stockholder Put shares sold to majority stockholder Range [Axis] Range [Axis] Range [Member] Range [Domain] Recently issued accounting standards. Recently Issued Accounting Standards Policy [Text Block] Recently Issued Accounting Standards Reclassification of forward purchase contract to additional paid in capital. Reclassification Of Forward Purchase Contract To Additional Paid In Capital Reclassification of forward purchase contract to APIC Related party debt. Related Party Debt [Member] Related Party Debt Related Party [Domain] Related Party [Domain] Related Party [Member] Related Party [Member] Related Party Related Party Transaction Debt Instrument Prepayment Related Party Transaction Debt Instrument Prepayment Amount prepaid for cancellation of indebtedness Related Party Transaction Expenses From Transactions With Related Party Interest expense on note payable to related party Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related party transaction prepayment period. Related Party Transaction Prepayment Period Related party transaction prepayment period Related Party Transactions [Abstract] Related Party Transactions [Abstract] Related Party Transactions By Related Party [Axis] Related Party [Axis] Related Party Transactions Disclosure [Text Block] Related-party arrangements Repayments Of Notes Payable Principal payments on notes payable Repayments Of Related Party Debt Principal payments on notes payable to related party Research And Development Expense Excluding Acquired In Process Cost Research and development Research And Development In Process In-process research and development In-process research and development costs Restricted stock agreed to be purchased by lender. Restricted Stock Agreed To Be Purchased By Lender Restricted Stock Agreed to be Purchased by Lender Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) Sale Of Stock Name Of Transaction [Domain] Sale of Stock, Name of Transaction [Domain] Sale Of Stock Number Of Shares Issued In Transaction Underwritten public offering Sales Revenue Net Revenue Schedule Of Accrued Liabilities Table [Text Block] Accrued Expenses and Other Current Liabilities Schedule of carrying value and estimated fair value of senior notes. Schedule Of Carrying Value And Estimated Fair Value Of Senior Notes Table [Text Block] Summary of Carrying Values and Estimated Fair Values of Senior Convertible Notes Schedule Of Debt Instruments [Text Block] Summary of Senior Convertible Notes Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule Of Property Plant And Equipment [Table] Schedule of Property, Plant and Equipment [Table] Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Share Based Compensation Activity Table [Text Block] Stock-Based Compensation Expense Recognized in Condensed Consolidated Statements of Operations Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Stock By Class [Table] Schedule of Stock by Class [Table] Senior convertible notes due two thousand fifteen. Senior Convertible Notes Due Two Thousand Fifteen [Member] Senior convertible notes due August 15 2015 Senior convertible notes due two thousand thirteen. Senior Convertible Notes Due Two Thousand Thirteen [Member] Senior convertible notes due December 15, 2013 Share Based Compensation Stock-based compensation expense Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Weighted average grant date fair value of the stock options granted Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type [Domain] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Statement [Table] Statement [Table] State research and development credit exchange receivable. State Research And Development Credit Exchange Receivable State research and development credit exchange receivable State research and development credit exchange receivable. State Research And Development Credit Exchange Receivable [Text Block] State research and development credit exchange receivable Stock expense for shares issued pursuant to research agreement. Stock Expense For Shares Issued Pursuant To Research Agreement Stock expense for shares issued pursuant to research agreement Stockholders Equity Total stockholders' deficit Stockholders Equity [Abstract] Stockholders' deficit: Stock Issued 1 Issuance of common stock for notes receivable Stock Options [Member] Stock Options Subsidiary Sale Of Stock [Axis] Subsidiary, Sale of Stock [Axis] Supplemental Cash Flow Information [Abstract] SUPPLEMENTAL CASH FLOWS DISCLOSURES: Temporary Equity Accretion To Redemption Value Adjustment Accretion on redeemable preferred stock Accretion on redeemable convertible preferred stock Text Block [Abstract] Text Block [Abstract] Trading Symbol Trading Symbol Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Types of Financial Instruments [Domain] Unamortized Debt Issuance Expense Unaccreted debt issuance expense Units sold under public offer underwritten. Units Sold Under Public Offer Underwritten Number of Unit Sold in an Underwritten public offering Units sold under public offer underwritten composition description. Units Sold Under Public Offer Underwritten Composition Description Units sold composition description Units sold warrant portion convertible into common stock. Units Sold Warrant Portion Convertible Into Common Stock Warrant to purchase of a share of common stock Unrealized Gain Loss On Derivatives Fair value of forward purchase contract Warrant Expiration Month Year Warrant Expiration Month Year Warrant expiration date Warrant liability. Warrant Liability [Member] Warrant Liability Warrant Or Right Expiration Term Warrant Or Right Expiration Term Warrant expiration date Warrants Expiration, Month and Year Warrants Expiration Month And Year Warrant expiration month and year