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: Agreement. Agreements [Axis] Agreements [Axis] Agreements. Agreements [Domain] Agreements [Domain] Allocated Share Based Compensation Expense Stock-based compensation Amended Agreement [Member] Amended Agreement [Member] Amended Agreement Amendment Flag Amendment Flag Amortization Of Debt Discount Premium Accretion expense- debt discount Amortization Of Financing Costs Accretion expense- debt issuance cost Amortization Of Financing Costs And Discounts Accretion of debt issuance costs 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: Available For Sale Securities Gross Realized Gain Loss Net Loss on available-for-sale securities Available Loan Balance Cancelled Available Loan Balance Cancelled Aggregate principal amount cancelled Award Type [Axis] Award Type [Axis] Basis of Presentation. Basis Of Presentation Policy [Text Block] Basis of Presentation 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 Reduction of principal on note payable to principal stockholder upon issuance of common stock and exercise of warrants 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 equivalents Cash And Cash Equivalents Period Increase Decrease NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Class Of Stock [Domain] Class of Stock [Domain] Class Of Stock [Line Items] Class of Stock [Line Items] Collaboration Agreement With Third Party [Member] Collaboration Agreement With Third Party [Member] If the Company enters into a collaboration with a third party to commercialize AFFREZZA 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 Commitment Asset [Member] Commitment Asset [Member] Commitment Asset Commitment Assets, Market Yields Commitment Assets Market Yields Percentage of market yield 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 Commitments and Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and Contingencies [Line Items] Commitments and Contingencies [Table] Commitments And Contingencies [Table] Commitments and Contingencies [Table] Common and preferred stock. Common And Preferred Stock [Text Block] Common and preferred stock Common Shares Issuable upon Conversion of Convertible Debt Common Shares Issuable Upon Conversion Of Convertible Debt Common shares issuable upon conversion 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 Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock, $0.01 par value - 550,000,000 shares authorized at March 31, 2014 and December 31, 2013; 386,934,914 and 369,391,972 shares issued and outstanding at March 31, 2014 and December 31, 2013, 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 Contingent Liability Contingent Liability Contingent liability for milestone payments Conversion Of Stock Amount Converted 1 Conversion of convertible preferred stock amount converted 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 Credit Agreement [Axis] Credit Agreement [Axis] Credit Agreement [Axis] Credit Agreement [Domain] Credit Agreement [Domain] Credit Agreement [Domain] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Debt Conversion Converted Instrument Amount 1 Amount of common shares issued upon conversion Issuance of common stock upon conversion of notes payable Debt Conversion Converted Instrument Shares Issued 1 Common shares issued upon conversion Debt Conversion Original Debt Amount 1 Issuance of common stock pursuant to conversion of facility financing obligation Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Facility financing agreement Debt Instrument Amount Of Tranches Debt Instrument Amount Of Tranches Debt facility periodic principal amount Debt Instrument Basis Spread On Variable Rate 1 Interest rate (LIBOR) Debt Instrument Carrying Amount Net carrying amount included in other liabilities Carrying value Net carrying amount Debt facility carrying amount Debt Instrument Contingent Convertible Amount Debt Instrument Contingent Convertible Amount Aggregate principal amount of convertible notes Debt Instrument Convertible Carrying Amount Of The Equity Component Principal converted to equity Debt Instrument Convertible Conversion Price 1 Conversion price of shares Debt Instrument Convertible Conversion Ratio 1 No of convertible shares Debt Instrument Convertible Threshold Consecutive Trading Days Consecutive trading days Debt Instrument Convertible Threshold Percentage Of Stock Price Trigger Percentage of conversion price equaling stock price Debt Instrument Convertible Threshold Trading Days Trading days Debt Instrument Description Of Variable Rate Basis Description of variable rate interest Debt Instrument Face Amount Initial principal amount Principal amount Amount of common shares issued upon conversion Debt facility principal amount 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 Debt instrument maturity date Promissory note maturity date Debt Instrument Redemption Price Percentage Percentage of repurchase price Debt Instrument Repurchased Face Amount Principal amount of notes purchased Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unamortized Discount Premium Net Debt discount-net of amortization Debt issuance cost. Debt Issuance Cost Issuance cost Deerfield Management Company Lp [Member] Deerfield Management Company Lp [Member] Deerfield 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 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 And Entity Information [Abstract] Document And Entity Information [Abstract] Document And 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 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 Employee Stock Option [Member] Stock Options 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] Estimated amounts credit exchange receivable. Estimated Amounts Credit Exchange Receivable Estimated amounts receivable under program Facility Agreement [Member] Facility Agreement [Member] Facility Agreement Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Asset Class [Domain] Fair Value By Asset Class [Axis] Asset Class [Axis] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value of Financial Instruments Fair Value Inputs Discount Rate Market discount rate Fair Value Inputs Level 3 [Member] Fair Value, Inputs, Level 3 Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net Transfers of assets between fair value measurement Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net Transfers of liabilities between fair value measurement Fair Value of Financial Instruments [Line Items] Fair Value Of Financial Instruments [Line Items] Fair Value of Financial Instruments [Line Items] Fair Value Of Financial Instruments Policy Fair Value of Financial Instruments Fair Value of Financial Instruments [Table] Fair Value Of Financial Instruments [Table] Fair Value of Financial Instruments [Table] Forward purchase contract contribution to additional paid in capital. Forward Purchase Contract Contribution To Additional Paid In Capital Forward purchase contract contribution to APIC 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 Gains Losses On Extinguishment Of Debt Loss on debt conversion General And Administrative Expense General and administrative Goodwill Impairment Loss Goodwill impairment Income Approach Valuation Technique [Member] Income Approach Valuation Technique 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 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 notes Interest Paid Interest paid in cash, net of amounts capitalized Interest Paid Capitalized Capitalization of interest on note payable to principal stockholder Interest Payable Current Accrued interest Interest Payable Current And Noncurrent Interest payable Accrued interest Accrued interest on loan arrangement Investment Income Interest Interest income 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 Issuance Of Stock And Warrants For Services Or Claims Litigation settlement in 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' EQUITY (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 Maximum Borrowing Capacity Maximum sales amount under the agreement Line Of Credit Facility Remaining Borrowing Capacity Amount available for future borrowings Available borrowings under loan agreement Line Of Credit Facility Restricted Borrowing Capacity Line Of Credit Facility Restricted Borrowing Capacity Maximum available amount of credit facility under covenant restrictions Loan agreement with related party. Loan Agreement With Related Party Loan agreement with related party Loan arrangement. Loan Arrangement [Member] Loan Arrangement Loan Commitment Asset Loan Commitment Asset Initial commitment asset fair value Loan Commitment Asset Current Portion Loan Commitment Asset Current Portion Less portion of commitment asset Loan Commitment Asset Fair Value Loan Commitment Asset Fair Value Tranche B commitment asset fair value Additional commitment asset Commitment asset at fair value Loan Commitment Asset Noncurrent Portion Loan Commitment Asset Noncurrent Portion Commitment asset value included in other assets London Interbank Offered Rate L I B O R [Member] LIBOR Long Term Debt Percentage Bearing Fixed Interest Rate Fixed borrowing rate 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 Maximum [Member] Maximum Milestone Rights Liability [Member] Milestone Rights Liability [Member] Milestone Rights Liability Minimum [Member] Minimum Money Market Funds At Carrying Value Cash equivalents, money market funds Net Cash Provided By Used In Financing Activities Continuing Operations Net cash provided by (used in) financing activities Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided By Used In Investing Activities Continuing Operations Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided By Used In Operating Activities Cash flow from operation since inception Net Cash Provided By Used In Operating Activities Continuing Operations Net cash used in operating activities Net Cash Provided By Used In Operating Activities Continuing Operations [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] Nominal lending fee. Nominal Lending Fee Nominal lending fee Non Cash Financing Activities Loan Commitment Asset. Non Cash Financing Activities Loan Commitment Asset Tranche B Commitment Asset Nontrade Receivables Noncurrent State research and development credit exchange receivable - net of current portion Notes Issued in Four Equal Tranches [Member] Notes Issued In Four Equal Tranches [Member] Notes Issued in Four Equal Tranches Notes Payable Related Parties Noncurrent Note payable to principal stockholder Number Of Equal Tranches Number Of Equal Tranches Number of equal tranches Number of months advances outstanding. Number Of Months Advances Outstanding Number of months advances outstanding 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 Net Of Tax Other comprehensive loss Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities 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 Deferred Compensation Arrangements Liability Current Less current portion of milestone rights included in other current liabilities Other Liabilities Noncurrent Other liabilities Other Long Term Debt Noncurrent Facility financing obligation Net carrying amount of facility financing agreement Other Noncash Income Expense Other, net Other Nonoperating Income Expense Other income (expense) 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] Payments For Repurchase Of Common Stock Repurchase of common stock Payments Of Debt Extinguishment Costs Debt extinguishment costs Payments Of Debt Issuance Costs Facility financing obligation & milestone rights issuance costs Payments Related To Tax Withholding For Share Based Compensation Payment of employment taxes related to vested restricted stock units 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 credit exchange receivable. Percentage Of Credit Exchange Receivable Percentage of credit exchange receivable Percentage of Debt Converted to Common Stock Percentage Of Debt Converted To Common Stock Percentage of principal amount converted in to common stock Performance Based Restricted Stock Units [Member] Performance Based Restricted Stock Units [Member] Performance Based Restricted Stock Units Performance Based Stock Options [Member] Performance Based Stock Options [Member] Performance Based Stock Options Preferred Stock Conversions Inducements Deemed dividend related to beneficial conversion feature of convertible preferred stock Preferred Stock Par Or Stated Value Per Share 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, 2014 and December 31, 2013 Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Principal amount per share. Principal Amount Per Share Principal amount per share Principal Owner [Member] Principal stockholder Proceeds From Collection Of Notes Receivable Proceeds from notes receivables Proceeds From Convertible Debt Proceeds from senior convertible notes Proceeds From Issuance Of Common Stock Cash received for common stock to be issued 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 Issuance Of Debt Proceeds from issuance of facility financing obligation & milestone rights 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 principal stockholder 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 Proceeds From Warrant Exercises Exercise of warrants for common stock 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 Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction Debt Instrument Prepayment Related Party Transaction Debt Instrument Prepayment Amount prepaid for cancellation of indebtedness Related Party Transaction [Domain] Related Party Transaction [Domain] Related Party Transaction Expenses From Transactions With Related Party Interest expense on note payable to principal stockholder 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 Repayment As Percentage Of Principal Amount Repayment As Percentage Of Principal Amount Repayment as a percentage of original principal amount Repayments Of Notes Payable Principal payments on notes payable Repayments Of Related Party Debt Principal payments on notes payable to principal stockholder Repayments Of Senior Debt Payment of 2013 notes 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 Units R S U [Member] Restricted Stock Units (RSUs) Sales Revenue Net Revenue Scenario 1 [Member] Scenario 1 [Member] Scenario 1 Scenario 2 [Member] Scenario 2 [Member] Scenario 2 Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Schedule Of Accrued Liabilities Table [Text Block] Accrued Expenses and Other Current Liabilities Schedule Of Carrying Values And Estimated Fair Values Of Debt Instruments Table [Text Block] Summary of Carrying Values and Estimated Fair Values of Senior Convertible Notes and Facility Financing Obligation Schedule Of Debt Instruments [Text Block] Summary of Senior Convertible Notes Schedule Of Debt Table [Text Block] Components and Activity of Facility Agreement Schedule Of Other Assets And Other Liabilities Table [Text Block] Accretion of Debt Issuance Cost and Debt Discount Schedule Of Property Plant And Equipment [Table] 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] Securities Financing Transaction [Line Items] Securities Financing Transaction [Line Items] Securities Financing Transaction [Table] Securities Financing Transaction [Table] Senior convertible notes due two thousand fifteen. Senior Convertible Notes Due Two Thousand Fifteen [Member] Senior convertible notes due August 15, 2015 Series B Preferred Stock [Member] Series B Preferred Stock Series C Preferred Stock [Member] Series C Preferred Stock Share Based Compensation Stock-based compensation expense Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1 Share based payment award , vesting period 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 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] Equity Award [Domain] Statement Class Of Stock [Axis] Class of Stock [Axis] 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 Comprehensive Income [Abstract] Statement Scenario [Axis] Scenario [Axis] 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' equity (deficit) Stockholders Equity [Abstract] Stockholders' equity (deficit): Stock Issued 1 Issuance of common stock for notes receivable Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Fair value of restricted stock units Stock Issued During Period Shares Share Based Compensation Number of restricted stock options Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures Fair value of Restricted stock options granted , value Stock Issued During Period Value Share Based Compensation Fair value of the stock options granted , value Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Event [Member] Subsequent Event Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Supplemental Cash Flow Information [Abstract] SUPPLEMENTAL CASH FLOWS DISCLOSURES: Temporary Equity Accretion To Redemption Value Adjustment Accretion on redeemable convertible preferred stock Accretion on redeemable preferred stock Text Block [Abstract] Text Block [Abstract] Trading Symbol Trading Symbol Tranche B loan [Member] Tranche B Loan [Member] Tranche B notes Tranche B [Member] Tranche B [Member] Tranche B notes Tranche Four [Member] Tranche Four [Member] Fourth Tranche Tranche One and Tranche Three [Member] Tranche One And Tranche Three [Member] Tranche One and Tranche Three Tranche One [Member] Tranche One [Member] Tranche One Tranche Three [Member] Tranche Three [Member] Tranche Three Tranche Two [Member] Tranche Two [Member] Tranche Two Two Thousand Nineteen Notes [Member] Two Thousand Nineteen Notes [Member] Senior convertible notes due December 31, 2019 Unamortized Debt Issuance Expense Unaccreted debt issuance expense Unrealized Gain Loss On Derivatives Fair value of forward purchase contract Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Weighted Average Number Of Share Outstanding Basic And Diluted Shares used to compute basic and diluted net loss per share applicable to common stockholders