Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable And Accrued Liabilities Current Accounts payable and accrued liabilities Accounts Receivable Net Current Accounts receivable Accretion Expense Accretion of debt discount Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Adjustments To Additional Paid In Capital Warrant Issued Short swing profit return Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash flows from operating activities: Aggregate milestone payments receivable under license agreement. Aggregate Milestone Payments Receivable Under License Agreement Milestone payment regarding licensing agreement Amendment Flag Amendment Flag Arcion license agreement. Arcion License Agreement [Member] Arcion License Agreement [Member] Arrangements And Nonarrangement Transactions [Member] Endo License and Development Agreement [Member] Asset Impairment Charges Impairment Charges Assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Award Type [Axis] Award Type [Axis] Basis Of Presentation [Line Items] Basis Of Presentation [Line Items] Basis Of Presentation [Line Items] Basis Of Presentation [Table] Basis Of Presentation [Table] Basis Of Presentation [Table] Bunavail [Member] Bunavail [Member] Bunavail [Member] Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net change in cash and cash equivalents Cash prepayment fee percentage. Cash Prepayment Fee Percentage Cash prepayment fee of principal amount of Loan Class Of Stock [Domain] Class of Stock [Domain] Class Of Warrant Or Right [Axis] Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Class Of Warrant Or Right Exercise Price Of Warrants Or Rights 1 Class Of Warrant Or Right Exercise Price Of Warrants Or Rights 1 Warrant exercise price Class of warrant or right, exercise price of warrants or rights calculation description. Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Calculation Description Days of volume-weighted average share price Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right Unregistered shares of common stock Class of warrant or right, number of securities called by each warrant or right issuance percentage. Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right Issuance Percentage Percentage of prepayment amount to purchase shares of Common Stock Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Net exercise of shares Closing price of common stock discount percentage to determine offering price. Closing Price Of Common Stock Discount Percentage To Determine Offering Price Offering price per share Commitment and contingencies patent infringement lawsuit against entity rejected by regulating authority patents number. Commitment And Contingencies Patent Infringement Lawsuit Against Entity Rejected By Regulating Authority Patents Number Number of Patents under infringement Lawsuit, against the entity rejected by USPTO Commitments And Contingencies Commitments and contingencies (note 10) Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and contingencies Common stock locking period. Common Stock Locking Period Common stock locking period Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common Stock, par value Common Stock Shares Authorized Common Stock, shares authorized Common stock shares exercised. Common Stock Shares Exercised Common stock exercised Common Stock Shares Issued Common Stock, shares issued Common stock shares issued fair value. Common Stock Shares Issued Fair Value Fair market value of unregistered shares issued Common Stock Shares Outstanding Common stock underlying warrants Common Stock, shares outstanding Common Stock Value Common Stock, $.001 par value; 75,000,000 shares authorized in 2014 and 2013; 48,165,551 and 38,204,384 shares issued; 48,150,060 and 38,188,893 shares outstanding in 2014 and 2013, respectively Contract revenue from licensing and supply agreement. Contract Revenue From Licensing And Supply Agreement Contract revenue from licensing and supply agreement Contract Revenue Under Endo Agreement Contract Revenue Under Endo Agreement Contract revenue under the Endo agreement Contracts Revenue Aggregate milestones and services revenue recognized Contract revenues Convertible Preferred Stock [Member] Series A Non-Voting Convertible Preferred Stock [Member] Cost Of Revenue Cost of product royalties Cost of product royalty revenues Costs And Expenses Related Party Related party general and administrative Current Fiscal Year End Date Current Fiscal Year End Date Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] MidCap Secured Loan Facility Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Carrying Amount Total maturities Debt Instrument Convertible Remaining Discount Amortization Period 1 Amortization Period of Discount Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instrument Unamortized Discount Total proceeds Unamortized discount net Unamortized discount Debt [Line Items] Debt [Line Items] Debt [Line Items] Debt [Table] Debt [Table] Debt [Table] Deferred Compensation Arrangement With Individual Shares Issued Restricted stock units ("RSUs") issued to directors and key employees Deferred Revenue Remaining deferred revenue related to the EU Media arrangement milestones Deferred Revenue Current Deferred revenue, current (notes 3 and 4) Deferred Revenue Noncurrent Deferred revenue, long-term Deferred revenue research and development. Deferred Revenue Research And Development Deferred revenue income of the research and development activities Deferred Revenue Revenue Recognized Deffered revenue recognized during the period Definitive Securities Purchase Agreement [Member] Definitive Securities Purchase Agreement [Member] Definitive Securities Purchase Agreement [Member] Depreciation Depletion And Amortization Depreciation and amortization Derivative Gain Loss On Derivative Net Derivative (loss) gain Derivative loss (gain) Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments And Hedging Activities Disclosure [Text Block] Derivative Financial Instruments Derivative Liabilities Warrant liability, Ending balance Warrant liability, Beginning balance Derivative liabilities- free standing warrants Derivative Liabilities Current Derivative liabilities (note 8) Derivative liability decrease due to warrant exercised. Derivative Liability Decrease Due To Warrant Exercised Decrease due to exercise of warrants Description Of Patients Enrolled In Study Description Of Patients Enrolled In Study Description of patients enrolled in study Directors and employees. Directors And Employees [Member] Directors and Employees [Member] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Document and entity information. 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 Period End Date Document Period End Date Document Type Document Type Earnings Per Share Basic And Diluted Basic and diluted loss per share Embedded Derivative No Longer Bifurcated Amount Reclassified To Stockholders Equity Warrant derivative liability reclassified to equity Employees And Directors Stock Options [Member] Employees And Directors Stock Options [Member] Employees And Directors Stock Options [Member] Employee service share based compensation non vested awards compensation cost to be recognized year Employee Service Share Based Compensation Non Vested Awards Compensation Cost To Be Recognized Year Unrecognized compensation cost related to non-vested share-based compensation awards granted year Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Unrecognized compensation cost related to non-vested share-based compensation awards granted Endo license and development agreement. Endo License And Development Agreement [Abstract] Endo License And Development Agreement [Abstract] Endo license and development agreement. Endo License And Development Agreement [Member] Endo License and Development Agreement [Member] Endo license and development agreement. Endo License And Development Agreement [Text Block] Endo License and Development Agreement 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 Overview Policy [Text Block] Entity Overview Policy [Text Block] Overview Entity Registrant Name Entity Registrant Name Entity securities universal shelf registration. Entity Securities Universal Shelf Registration Company's securities for shelf registration Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Estimated amount recognized against clinical services deliverable. Estimated Amount Recognized Against Clinical Services Deliverable Estimated amount recognized against clinical services deliverable European Union [Member] EU [Member] Exit fee percent. Exit Fee Percent Exit fee percentage recorded as deferred loan costs Extended patent on drug delivery technology. Extended Patent On Drug Delivery Technology Extended patent on drug delivery technology Extractive Industries [Abstract] Extractive Industries [Abstract] Fair Value Asset Measured On Recurring Basis [Line Items] Fair Value Asset Measured On Recurring Basis [Line Items] Fair Value Asset Measured On Recurring Basis [Line Items] Fair Value Asset Measured On Recurring Basis [Table] Fair Value Asset Measured On Recurring Basis [Table] Fair Value Asset Measured On Recurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value Assumptions Expected Term Term of warrant Fair Value Assumptions Expected Volatility Rate Volatility Fair Value Assumptions Risk Free Interest Rate Risk free interest rate Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Inputs Level 3 [Member] Level 3 [Member] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurement Inputs Disclosure [Line Items] Fair Value Measurement Inputs Disclosure [Line Items] Fair Value Measurement Inputs Disclosure [Line Items] Fair Value Measurement Inputs Disclosure [Table] Fair Value Measurement Inputs Disclosure [Table] Fair Value Measurement Inputs Disclosure [Table] Fair Value Measurement Policy Policy [Text Block] Fair Value of Financial Assets and Liabilities Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring [Member] Final payment fees percentage. Final Payment Fees Percentage Final payment fee Rate Financial Instrument [Axis] Financial Instrument [Axis] Finite Lived Intangible Assets Accumulated Amortization Accumulated amortization Finite Lived License Agreements Gross Licenses Future Minimum Lease Payments And Debt Maturities [Table] Future Minimum Lease Payments And Debt Maturities [Table] Future Minimum Lease Payments And Debt Maturities [Table] General And Administrative Expense General and administrative Goodwill Goodwill Goodwill And Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] The cost of equipment that remains on site ready for use but is placed in a standby basis. Idle Equipment Net Idle equipment net Idle equipment, net (note 1) Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Loss before taxes Income Statement [Abstract] Income Statement [Abstract] Income Tax Expense Benefit Income tax expense Increase Decrease In Accounts Payable And Accrued Liabilities Accounts payable and accrued expenses Increase Decrease In Accounts Receivable Accounts receivable Increase Decrease In Accrued Income Taxes Payable Income tax payable Increase Decrease In Deferred Revenue Deferred revenue Increase Decrease In Derivative Liabilities Increase in fair value of warrants Increase decrease in number derivative liability. Increase Decrease In Number Derivative Liability Increase in fair value of warrants, number of warrants Increase Decrease In Operating Capital [Abstract] Changes in assets and liabilities: Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other assets Increase in interest rate upon default in credit agreement Increase In Interest Rate Upon Default In Credit Agreement Rate of interest Applicable to obligations Initial payment for license agreement. Initial Payment For License Agreement Potential milestone payment upon FDA approval Intangible Assets Disclosure [Text Block] Other License Agreements and Acquired Product Rights Intangible Assets Net Excluding Goodwill Total other intangible assets Intangible Assets Net Excluding Goodwill [Abstract] Other intangible assets: Interest Income Expense Net Interest (expense) income, net Kunwha license agreement. Kunwha License Agreement [Member] Kunwha License Agreement [Member] Legal Entity [Axis] Legal Entity [Axis] Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities and stockholders' equity (deficit) Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Liabilities Fair Value Disclosure [Abstract] Liabilities Libor floor rate. Libor Floor Rate LIBOR floor Rate License acquisition agreement non cash adjustment. License Acquisition Agreement Non Cash Adjustment Purchase of Arcion license License agreement acquisition. License Agreement Acquisition Disclosure [Text Block] Arcion License Agreement License agreement expiration date. License Agreement Expiration Date Expiration date of the agreement License and development agreement term. License And Development Agreement Term Term of Endo Agreement License and supply agreement term. License And Supply Agreement Term Term of the agreement Meda license development and supply agreements. License Development And Supply Agreements [Text Block] Meda License, Development and Supply Agreements Line Of Credit Facility Current Borrowing Capacity Secured loan facility Line Of Credit Facility Interest Rate At Period End Interest rate at period end Line Of Credit Facility Interest Rate During Period Interest rate Line of credit facility principal amount prepayment percentage. Line Of Credit Facility Principal Amount Prepayment Percentage Prepayment of principal amount of the Loan rate Line of credit facility repayment term. Line Of Credit Facility Repayment Term Term of loan Liquidity and managements plans. Liquidity And Managements Plans [Line Items] Liquidity and Management's Plans [Line Items] Liquidity and management's plans. Liquidity And Managements Plans [Table] Liquidity and Management's Plans [Table] Liquidity Disclosure [Text Block] Liquidity and management's plans Long Term Debt Secured loan facility due to Midcap Total Midcap obligation Long Term Debt Maturities Repayments Of Principal In Next Twelve Months 2014 Long Term Debt Maturities Repayments Of Principal In Year Three 2016 Long Term Debt Maturities Repayments Of Principal In Year Two 2015 Long Term Notes Payable Notes payable, less current maturities Major Types Of Debt And Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types Of Debt And Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Maximum [Member] Maximum [Member] Meda license development and supply agreement. Meda License Development And Supply Agreement [Member] Meda License Development and Supply Agreement [Member] Meda license development and supply agreements. Meda License Development And Supply Agreements [Abstract] Meda License Development And Supply Agreements [Abstract] Mid cap. Mid Cap [Member] Mid Cap [Member] Milestone payment receivable from sublicensees. Milestone Payment Receivable From Sublicensees Milestone payment receivable from sublicenses Milestone payment received. Milestone Payment Received Milestone payment received Milestone payments. Milestone Payments Milestone payments Milestone payments increased. Milestone Payments Increased Milestone payments increased Milestone payments net of tax. Milestone Payments Net Of Tax Milestone payments net of tax Milestone sales. Milestone Sales Milestone Sales Milestones. Milestones [Member] Milestones [Member] Minimum [Member] Minimum [Member] Net Cash Provided By Used In Financing Activities Net cash flows from financing activities Net Cash Provided By Used In Financing Activities [Abstract] Financing activities: Net Cash Provided By Used In Investing Activities Net cash flows from investing activities Net Cash Provided By Used In Investing Activities [Abstract] Investing activities: Net Cash Provided By Used In Operating Activities Cash from operations Net cash flows from operating activities Net Cash Provided By Used In Operating Activities [Abstract] Operating activities: Net Income Loss Net loss Net Income Loss Available To Common Stockholders Basic Net loss attributable to common stockholders Non refundable payment received. Non Refundable Payment Received Non-refundable payment received Notes Payable Current Notes payable, current maturities Notes payable. Notes Payable [Member] Note payable [Member] Notice and cure period for information of material adverse changes in borrowers Notice And Cure Period For Information Of Material Adverse Changes In Borrowers Notice Period Number of derivative liability Number Of Derivative Liability Warrant liability, Ending balance, Number of warrants Warrant liability, Beginning balance, Number of warrants Number of derivative liability decrease due to warrant exercised. Number Of Derivative Liability Decrease Due To Warrant Exercised Decrease due to exercise of warrants, Number of warrants Number of franchised products. Number Of Franchised Products Number of products under pain franchise Number of potential milestone payments. Number Of Potential Milestone Payments Number of potential milestone payments Number of potential sales milestones. Number Of Potential Sales Milestones Number of potential sales milestones Officers and directors. Officers And Directors [Member] Officers and Directors [Member] Offsetting [Abstract] Offsetting [Abstract] Onsolis. Onsolis [Member] Onsolis [Member] Operating Expenses Total expenses: Operating Expenses [Abstract] Expenses: Operating Income Loss Income (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 [Text Block] Basis of presentation Other Assets Noncurrent Other assets Other Finite Lived Intangible Assets Gross Acquired product rights Other Liabilities Noncurrent Other long-term liabilities Other license agreements and acquired product rights. Other License Agreements And Acquired Product Rights [Line Items] Other License Agreements And Acquired Product Rights [Line Items] Other license agreements and acquired product rights. Other License Agreements And Acquired Product Rights [Table] Other License Agreements And Acquired Product Rights [Table] Other Nonoperating Income Expense Other income (expense), net Others. Others [Member] Others [Member] Patent expiration year start. Patent Expiration Year Start Patent expiration year Payments receivable on achievement of potential sales milestones. Payments Receivable On Achievement Of Potential Sales Milestones Payment receivable on achievement of potential sales milestones Payments To Acquire Property Plant And Equipment Purchase of equipment Percentage of closing fees paid on aggregate amount. Percentage Of Closing Fees Paid On Aggregate Amount Closing fee Percentage Of Credit Against Potential Future Milestone Percentage Of Credit Against Potential Future Milestone Percentage of credit against potential future milestone Percentage Of Reimbursement Expenses Percentage Of Reimbursement Expenses Reimbursement rate of costs by Endo to the company as per agreement Performance long term incentive plan (LTIP). Performance Long Term Incentive Plan [Member] LTIP [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Potential milestone payment on issuance of patent. Potential Milestone Payment On Issuance Of Patent Potential milestone payments on issuance of patent Potential milestone payment receivable. Potential Milestone Payment Receivable Potential milestone payments Potential milestone payment receivable clinical development. Potential Milestone Payment Receivable Clinical Development Potential milestone payment receivable clinical development Potential milestone payment receivable intellectual property. Potential Milestone Payment Receivable Intellectual Property Potential milestone payments on intellectual property rights Potential milestone payment receivable regulatory events. Potential Milestone Payment Receivable Regulatory Events Potential milestone payment receivable regulatory events Potential payments upon achievement of predetermined sales. Potential Payments Upon Achievement Of Predetermined Sales Potential Payments upon achieving certain pre-determined sales thresholds in the U.S Potential cash or stock payment upon NDA filing and acceptance. Potential Payments Upon Filing And Acceptance Potential payments upon filing and acceptance Preferred Stock Par Or Stated Value Per Share Preferred Stock, par value Series A Preferred shares Preferred Stock Shares Authorized Preferred Stock, shares authorized Preferred Stock Shares Outstanding Preferred Stock, shares outstanding Shares of Series A Preferred were outstanding Preferred Stock Value Preferred Stock, $.001 par value; 5,000,000 shares authorized in 2014 and 2013; 2,709,300 shares of Series A Non-Voting Convertible Preferred Stock outstanding in 2014 and 2013 Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Prepayment premium as percentage of loan prepaid in first year. Prepayment Premium As Percentage Of Loan Prepaid In First Year Loan amount prepaid in the first year of the Loan Prepayment premium as percentage of loan prepaid in subsequent year. Prepayment Premium As Percentage Of Loan Prepaid In Subsequent Year Loan amount prepaid in each year thereafter Proceeds From Issuance Of Common Stock Proceeds from common stock Proceeds from issuance of common stock Proceeds From Issuance Of Secured Debt Net proceeds from secured loan facility from Midcap Proceeds From Issuance Of Warrants Proceeds from issuance of warrants Proceeds From Issuance Or Sale Of Equity Proceeds from sale of securities Proceeds From Lines Of Credit Net proceeds in aggregate amount Proceeds From Secured Notes Payable Total proceeds Proceeds From Stock Options Exercised Proceeds from exercise of stock options Exercise of Common Stock options and warrants Proceeds from common stock Proceeds From Warrant Exercises Exercise of common stock warrants Proceeds from exercise of common stock warrants Product Or Service [Axis] Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Property Plant And Equipment Basis Of Valuation Office and Manufacturing equipment, basis of valuation Property Plant And Equipment Depreciation Methods Office and Manufacturing equipment, depreciation method Property Plant And Equipment Net Equipment, net Property Plant And Equipment Policy [Text Block] Equipment Property Plant And Equipment Useful Life Estimated useful lives of equipment Range [Axis] Range [Axis] Range [Member] Range [Domain] Range of exercise price one. Range Of Exercise Price One [Member] $ 1.00 - 5.00 [Member] Range of exercise price three. Range Of Exercise Price Three [Member] $ 0.01 - 5.00 [Member] Range of exercise price two. Range Of Exercise Price Two [Member] $ 5.01 - 10.00 [Member] Recognized up-front payment allocated to license. Recognized Up Front Payment Allocated To License Recognized up-front payment allocated to the license Recognized up-front payment to clinical trial material and development services. Recognized Up Front Payment To Clinical Trial Material And Development Services Recognized up-front payment to clinical trial material and development services Reconciliation of beginning and ending balances of assets and liabilities measured at fair value using significant observable inputs. Reconciliation Of Beginning And Ending Balances Of Assets And Liabilities Measured At Fair Value Using Significant Observable Inputs Table [Text Block] Reconciliation of Beginning and Ending Balances of Assets and Liabilities Measured at Fair Value Using Significant Observable Inputs Reimbursement Of Cost Incurred Reimbursement Of Cost Incurred Total rate of reimbursable contractor costs borne Repayments Of Notes Payable Payment of notes payable Research And Development Arrangement Contract To Perform For Others By Type [Axis] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research And Development Arrangement Contract To Perform For Others [Line Items] Research and Development Arrangement, Contract to Perform for Others [Line Items] Research And Development Arrangement Contract To Perform For Others Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Research And Development Expense Research and development Research and development expense Research and development reimbursements. Research And Development Reimbursements Research and development reimbursements Research and development reimbursements under the Endo agreements Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) [Member] Retained Earnings Accumulated Deficit Accumulated deficit Retained Earnings [Member] Accumulated Deficit [Member] Return of short swing profits Return Of Short Swing Profits Return of short swing profits Revenue Recognition Milestone Method [Line Items] Revenue Recognition, Milestone Method [Line Items] Revenue Recognition Milestone Method Revenue Recognized Additional revenues in milestones Revenue Recognition Milestone Method [Table] Revenue Recognition, Milestone Method [Table] Revenue Recognition Multiple Deliverable Arrangements [Line Items] Revenue Recognition, Multiple-deliverable Arrangements [Line Items] Revenue Recognition Multiple Deliverable Arrangements [Table] Revenue Recognition, Multiple-deliverable Arrangements [Table] Revenues Total revenues: Revenues [Abstract] Revenues: Review period by regulatory authority. Review Period By Regulatory Authority Period for application review Royalty Revenue Net royalties under the Meda agreements Product royalty revenues Royalty term description. Royalty Term Description Royalty term description Schedule of future maturities of debt obligation table. Schedule Of Future Maturities Of Debt Obligation Table [Text Block] Future Maturities of MidCap Obligation Schedule Of Nonvested Share Activity Table [Text Block] Summary of Non-Vested Stock Options Schedule Of Research And Development Arrangement Contract To Perform For Others [Table] Schedule of Research and Development Arrangement, Contract to Perform for Others [Table] 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 Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Option Activity Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Weighted Average for Key Assumptions Used in Determining Fair Value of Options Granted Schedule Of Stockholders Equity Note Warrants Or Rights [Text Block] Summary of Warrants Outstanding to Purchase Common Stock Schedule of Warrants, by exercise price range. Schedule Of Warrants By Exercise Price Range [Table] Schedule of Warrants, by Exercise Price Range [Table] Segment Geographical [Domain] Geographical [Domain] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Share Based Compensation Stock-based compensation expense Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1 RSU's Vested as per Performance criteria during period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Company Issued, RSUs Share based compensation arrangement by share based payment award equity instruments other than options grants in period fair value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Fair Value Fair market value of shares granted Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term 1 Weighted average expected life in years Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected price volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate 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 nonvested options aggregate intrinsic value. Share Based Compensation Arrangement By Share Based Payment Award Nonvested Options Aggregate Intrinsic Value Nonvested at March 31, 2014,Aggregate Intrinsic Value Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value 1 Aggregate Intrinsic Value Share-based compensation arrangement by share-based payment award, options exercisable. Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Table [Text Block] Summary of Stock Options Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of Shares, Forfeitures Share based compensation arrangement by share based payment award options granted in period fair value. Share Based Compensation Arrangement By Share Based Payment Award Options Granted In Period Fair Value Fair market value of shares granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Granted Number of Shares, Granted Share based payment award options, gross grants in the period with exercise price below the market price. Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Exercise Price Lower Than Estimated Market Price Number of options granted in period with exercise price below market price 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 options granted Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares Nonvested at End of period Nonvested at Beginning of period Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares Forfeited Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Nonvested at March 31, 2014 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate Intrinsic Value, Outstanding at end of period Aggregate Intrinsic Value, Outstanding at beginning of period Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of Shares, Outstanding at end of period Number of Shares, Outstanding at beginning of period Number Outstanding Share based compensation arrangement by share based payment award options outstanding. Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Table [Text Block] Summary of Stock Options Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price Per Share, Outstanding at end of period Weighted Average Exercise Price Per Share, Outstanding at beginning of period Weighted Average Exercise Price Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term 1 Options vesting Remaining period Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value 1 Fair market value of Previously granted RSUs vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares Number of RSUs Vested Vested Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted average Exercise Price Per Share, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price Per Share, Forfeitures Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price Per Share, Granted Share based compensation arrangements by share based payment award term of options granted. Share Based Compensation Arrangements By Share Based Payment Award Term Of Options Granted Term of options granted period Share based compensation restricted stock units reserve for future issuance. Share Based Compensation Restricted Stock Units Reserve For Future Issuance Restricted stock units reserve for future Officers Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Axis] Exercise Price Range [Axis] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price 1 Weighted Average Exercise Price Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term 2 Weighted Average Remaining Contractual Life (Years) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit Range of Exercise Prices, minimum Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options Number Exercisable Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options Number Outstanding Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance 1 Weighted Average Exercise Price Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term 2 Weighted Average Remaining Contractual Life (Years) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit Range of Exercise Prices, maximum Share Price Market price of stock Selling price of shares Shares Issued Ending Balance, shares Beginning Balance, shares Shelf life of product. Shelf Life Of Product Shelf life of the product Statement Class Of Stock [Axis] Class of Stock [Axis] Statement Equity Components [Axis] Equity Components [Axis] Statement Geographical [Axis] Geographical [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 Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Stockholders Equity Ending Balance Beginning Balance Stockholders' equity Total stockholders' equity (deficit) Stockholders Equity [Abstract] Stockholders' equity (deficit): Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Stock Issued During Period Share Exercise Of Cashless Warrants Stock Issued During Period Share Exercise Of Cashless Warrants Cashless exercise of warrants, shares Number of shares issued upon exercise of warrants. Stock Issued During Period Shares Exercise Of Warrants Exercise of warrants, shares Stock Issued During Period Shares Issued For Noncash Consideration Common stock underlying warrants exercised cashless Stock Issued During Period Shares Issued For Services Shares issued pursuant to an at the market offering, shares Stock Issued During Period Shares New Issues Shares issued pursuant to registered direct offering, shares Stock Issued During Period Shares Purchase Of Assets Share issued to Arcion Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Restricted stock awards, shares Stock Issued During Period Shares Stock Options Exercised Company employees, directors and affiliates stock option exercised Exercise of stock options, shares Number of Shares, Exercised Stock Issued During Period Value Exercise Of Cashless Warrants Stock Issued During Period Value Exercise Of Cashless Warrants Cashless exercise of warrants Value of shares underlying warrants issued upon exercise in period. Stock Issued During Period Value Exercise Of Warrants Exercise of warrants Stock Issued During Period Value Issued For Services Shares issued pursuant to an at the market offering, net Stock Issued During Period Value New Issues Shares issued pursuant to registered direct offering, net Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures Restricted stock awards Stock Issued During Period Value Share Based Compensation Stock-based compensation Stock Issued During Period Value Stock Options Exercised Exercise of stock options Subsequent Event [Member] Subsequent Event [Member] Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent events Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Summary of black scholes option pricing model and assumptions table. Summary Of Black Scholes Option Pricing Model And Assumptions Table [Text Block] Schedule of Fair Value of Warrants Based Upon the Black Scholes Valuation Model Assumptions Summary of financial information relating to note payable secured by secured term loan at fair value. Summary Of Financial Information Relating To Note Payable Secured By Secured Term Loan At Fair Value Table [Text Block] Schedule Showing Allocation of Secured Loan Facility to Notes Payable and Midcap Warrants Text Block [Abstract] Text Block [Abstract] Title Of Individual [Axis] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Financial Instruments [Domain] Treasury Stock [Member] Treasury Stock [Member] Treasury Stock Shares Treasury stock, shares Treasury Stock Value Treasury stock, at cost, 15,491 shares, 2014 and 2013 TTY license and supply agreement. Tty License And Supply Agreement [Member] TTY License and Supply Agreement [Member] Type Of Arrangement [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Universal Shelf Registration Amount Maximum Universal Shelf Registration Amount Maximum Universal shelf registration amount, maximum Upfront fees assigned to deliverables consisting of intellectual property component value. Upfront Fees Assigned To Deliverables Consisting Of Intellectual Property Component Value Upfront payment Upfront payment net of tax. Up Front Payment Net Of Tax Up-front payment net of tax Upfront payment of research and development expenses. Upfront Payment Of Research And Development Expenses Estimated portion of upfront payments Upfront payment U S U.S. [Member] Warrant exercisable term. Warrant Exercisable Term Warrant exercisable term Warrant [Member] Midcap warrant [Member] Warrants, by Exercise Price Range [Line Items] Warrants By Exercise Price Range [Line Items] Warrants, by Exercise Price Range [Line Items] Warrants exercisable, weighted average remaining contractual term. Warrants Exercisable Weighted Average Remaining Contractual Term Weighted Average Remaining Contractual Life (Years) Warrants, exercise price range, lower range limit. Warrants Exercise Price Range Lower Range Limit Range of Exercise Prices, minimum Warrants, exercise price range, upper range limit. Warrants Exercise Price Range Upper Range Limit Range of Exercise Prices, maximum Weighted Average Number Of Shares Outstanding Basic Weighted average common stock shares outstanding