Accounting Policies [Abstract] Accounting Policies [Abstract] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts Payable and Accrued Liabilities Accounts Payable, Current Accounts payable Accounts Receivable, Net, Current Accounts receivable with customers Accounts receivable, net Accretion Expense Accretion of debt discount and loan costs Accrued acquisition costs. Accrued Acquisition Costs Accrued acquisition costs Accrued costs to run clinical trials for portfolio product or product candidates. Accrued Clinical Trial Costs Accrued clinical trial costs Accrued Employee Benefits, Current Accrued compensation and benefits Accrued legal current. Accrued Legal Current Accrued legal Accrued Marketing Costs, Current Accrued rebates Accrued returns. Accrued Returns Accrued returns Accrued Royalties, Current Accrued royalties Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation and amortization Additional Paid in Capital Additional paid-in capital Additional Paid-in Capital [Member] Additional Paid-In Capital [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash flows from operating activities Allocated Share-based Compensation Expense Stock-based compensation expense Amendment Flag Amendment Flag Amortization of Intangible Assets Amortization of intangible assets Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Securities excluded from computation of diluted earnings per share Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] Assets Total assets Assets [Abstract] ASSETS Assets, Current Total current assets Assets, Current [Abstract] Current assets: At The Market Facility [Member] At The Market Facility [Member] At The Market Facility [Member] Award Type [Axis] Award Type [Axis] BELBUCA (buprenorphine) buccal film for Chronic Pain. BELBUCA is a partial mu-opioid agonist and a treatment indicated for the management of pain severe enough to require daily, around the clock, long-term opioid treatment for which alternative treatment options are inadequate. Belbuca [Member] BELBUCA [Member] BUNAVAIL [Member] Bunavail [Member] BUNAVAIL [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Combination, Bargain Purchase, Gain Recognized, Amount Bargain purchase gain Bargain purchase gain Business Combination, Consideration Transferred Total asset purchase price Business Combination, Consideration Transferred [Abstract] Asset purchase price: Business Combination Disclosure [Text Block] Business Combination and BELBUCA Acquisition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Estimated fair value of assets acquired: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment BELBUCA®-related manufacturing equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Current BELBUCA® product inventory and work-in process Business combination recognized identifiable assets acquired and liabilities assumed license and distribution rights. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed License And Distribution Rights License and distribution rights intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Amount attributable to assets acquired Business Combinations [Abstract] Business Combinations [Abstract] Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed Potential milestone payments on intellectual property rights Calculated under Revenue Guidance in Effect before Topic 606 [Member] Calculated under Revenue Guidance in Effect before Topic 606 [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 Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Chief Executive Officer [Member] Chief Executive Officer [Member] Class of Stock [Domain] Class of Stock [Domain] Class of Warrant or Right, Exercise Price of Warrants or Rights Warrant exercise price per share Class of Warrant or Right, Outstanding Warrant outstanding Collaborative Arrangement, Product [Member] Collaborative Arrangement, Product [Member] Collaborative arrangement upfront payment to be received. Collaborative Arrangement Up Front Payment To Be Received Upfront and potential milestones payable Commitments and Contingencies Commitments and contingencies (Note 14) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies 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 issuance upon retirement. Common Stock Shares Issuance Upon Retirement Common stock issuance upon retirement, shares Common Stock, Shares, Issued Common Stock, shares issued Common Stock, Shares, Outstanding Common Stock, shares outstanding Common Stock, Value, Issued Common Stock, $.001 par value; 75,000,000 shares authorized; 58,646,522 and 55,904,072 shares issued; 58,631,031 and 55,888,581 shares outstanding at March 31, 2018 and December 31, 2017, respectively Common stock value issuance upon retirement. Common Stock Value Issuance Upon Retirement Common stock issuance upon retirement Computer Equipment [Member] Computer Equipment and Software [Member] Consolidation, Policy [Policy Text Block] Principles of consolidation Contracts Revenue Contract revenue Contract Termination Claims, Description Contract termination claims, description Convertible Preferred Stock [Member] Series A Non-Voting Convertible Preferred Stock [Member] Cost of Revenue Cost of sales Cost of Sales, Policy [Policy Text Block] Cost of sales Counterparty Name [Axis] Counterparty Name [Axis] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] CRG [Member] CRG Servicing LLC Agreement [Member] CRG [Member] CRG servicing LLC. CRG Servicing LLC [Member] CRG [Member] Cumulative Effect on Retained Earnings, Net of Tax Cumulative effect of accounting change Current Fiscal Year End Date Current Fiscal Year End Date Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Notes payable Debt Instrument [Axis] Debt Instrument [Axis] Long-term Debt, Gross Total maturities Debt instrument interest only payment term. Debt Instrument Interest Only Payment Term Loan agreement interest only term Debt instrument interest only payment term threshold. Debt Instrument Interest Only Payment Term Threshold Loan agreement interest only term threshold Debt Instrument, Interest Rate, Effective Percentage Effective interest on borrowings Debt instrument interest rate stated interest only period percentage. Debt Instrument Interest Rate Stated Interest Only Period Percentage Interest on borrowings, interest only period percentage Debt Instrument, Interest Rate, Stated Percentage Interest on borrowings Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt instrument prepayment fee after year five. Debt Instrument Prepayment Fee After Year Five Prepayment fee after Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument, Term Loan agreement term Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Annual cash bonus Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred loan costs expensed. Deferred Loan Costs Expensed Deferred loan costs expensed Deferred Revenue, Revenue Recognized Milestone payment, deferred revenue recognized Depreciation Depreciation Depreciation and amortization expense Derivative, Term of Contract Term of Endo Agreement Description Of New Accounting Pronouncements Not Yet Adopted [Policy Text Block] Description Of New Accounting Pronouncements Not Yet Adopted [Policy Text Block] Recent accounting pronouncements-issued, not yet adopted Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Dilutive Securities, Effect on Basic Earnings Per Share Adjustment to income for dilutive options and warrants Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Effect of dilutive securities: Director [Member] Directors [Member] Disclosure of Compensation Related Costs, Share-based 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 [Abstract] Earnings Per Share [Abstract] Earnings Per Share, Basic Basic (loss) earnings per common share Basic (loss) earnings per share Earnings Per Share, Basic [Abstract] Basic: Earnings Per Share, Diluted Diluted (loss) earnings per common share Diluted (loss) earnings per share Earnings Per Share, Diluted [Abstract] Diluted: Earnings Per Share [Text Block] Earnings per Common Share Employee [Member] Employee [Member] Employees [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] 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, Compensation Cost Not yet Recognized Unrecognized compensation cost related to non-vested share-based compensation awards granted Employment Agreement Effective Date Employment Agreement Effective Date Employment starting date Employment Agreement Termination Notice Period Employment Agreement Termination Notice Period Notice period for employment agreement termination Endo agreement. Endo Agreement [Member] Endo Agreement [Member] Endo license and development agreement. Endo License And Development Agreement [Member] Endo Agreement [Member] Entity Central Index Key Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Overview Policy [Text Block] Entity Overview [Policy Text Block] Overview Entity Registrant Name Entity Registrant Name Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Executive Officer [Member] Executive Officers [Member] Extractive Industries [Abstract] Extractive Industries [Abstract] Fair Value of Assets Acquired Fair value of bargain purchase price of BELBUCA acquisition Final payment fees percentage. Final Payment Fees Percentage Final payment fee rate General and Administrative Expense Selling, general and administrative Goodwill Goodwill Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Idle equipment. Idle Equipment [Member] Idle Equipment [Member] Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (Loss) income before income taxes Income Statement [Abstract] Income Statement [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Income Tax Expense (Benefit) Income tax (expense) benefit Income tax benefit Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Accounts Receivable Changes in accounts receivable with customers Accounts receivable Increase (Decrease) in Deferred Revenue Deferred revenue Increase (Decrease) in Inventories Inventories Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities, net of effect of acquisition: Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Initial term period of agreements in years. Initial Term Period Of Agreements In Years Initial term of employment agreement Intangible Assets Disclosure [Text Block] License Agreements and Acquired Product Rights Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net Interest Expense Interest expense, net Interest Expense [Member] Interest Expense [Member] Interest Paid Cash paid for interest Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] Inventory Inventory, Finished Goods, Gross Finished goods Inventory, Net Inventory, net Total inventories Inventory, Policy [Policy Text Block] Inventory Inventory, Raw Materials and Supplies, Net of Reserves Raw materials & supplies Inventory Valuation Reserves Inventory obsolescence reserved Obsolescence reserve Inventory, Work in Process, Net of Reserves Work-in-process Inventory Write-down (Benefit) provision for inventory obsolescence Leasehold Improvements [Member] Leasehold Improvements [Member] Liabilities Total liabilities Liabilities and Equity Total liabilities and stockholders' equity Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQ Liabilities, Current Total current liabilities Liabilities, Current [Abstract] Current liabilities: License And Development Agreement [Text Block] License And Development Agreement [Text Block] License and Development Agreements License And Development Agreement Textual [Abstract] License And Development Agreement Textual [Abstract] License And Development Agreement Textual [Abstract] license and distribution rights. license And Distribution Rights BELBUCA®license and distribution rights intangible asset, net License and supply agreement term. License And Supply Agreement Term Term of the agreement License termination effective date. License Termination Effective Date License termination effective date Long-term Line of Credit Borrowings outstanding Line of credit facility additional borrowing capacity. Line Of Credit Facility Additional Borrowing Capacity Additional borrowing capacity Line of credit facility additional borrowing capacity upon contingent milestone achievement. Line Of Credit Facility Additional Borrowing Capacity Upon Contingent Milestone Achievement Additional borrowing capacity upon milestone achievement Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Expiration Date Agreement maturity date Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Line of credit facility second draw borrowing capacity upon contingent milestone achievement. Line Of Credit Facility Second Draw Borrowing Capacity Upon Contingent Milestone Achievement Second draw borrowing capacity upon milestone achievement Line of Credit [Member] Line of Credit [Member] Significant financing sources and revenue generated during period and managements plans. Liquidity And Managements Plan Disclosure [Text Block] Liquidity and Management's Plans Liquidity and managements plans. Liquidity And Managements Plans [Abstract] Liquidity And Managements Plans [Abstract] Liquidity and managements plans. Liquidity And Managements Plans [Line Items] Liquidity And Managements Plans [Line Items] Liquidity and management's plans. Liquidity And Managements Plans [Table] Liquidity And Managements Plans [Table] Long-term Debt Total CRG obligation Long-term Debt, Maturities, Repayments of Principal in Year Five 2022 Long-term Debt, Maturities, Repayments of Principal in Year Four 2021 Long-term Debt, Maturities, Repayments of Principal in Year Three 2020 Long-term Debt, Maturities, Repayments of Principal in Year Two 2019 Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year 2018 Notes Payable, Noncurrent Notes payable, net Machinery and Equipment [Member] Machinery and Equipment [Member] Maximum [Member] Maximum [Member] MidCap Financial Trust. Mid Cap Financial Trust [Member] MidCap Financial Trust [Member] Milestone payment received. Milestone Payment Received Milestone payment received Milestone payments. Milestone Payments Milestone payments Minimum [Member] Minimum [Member] Net Cash Provided by (Used in) Financing Activities [Abstract] Financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash flows (used in) provided by financing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash flows used in investing activities Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash flows from operating activities Net cash flows used in operating activities Net Income (Loss) Attributable to Parent Net loss Net loss attributable to common stockholders Net (loss) income Net (loss) income attributable to common stockholders Net (loss) income attributable to common stockholders Net Income (Loss) Attributable to Parent, Diluted Net income (loss), diluted, Total Net Income (Loss) Available to Common Stockholders, Basic Net (loss) income attributable to common stockholders New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Cumulative impact to retained earnings of accounting change New Accounting Pronouncements, Policy [Policy Text Block] Recent accounting pronouncements-adopted Non Cash Operating Investing And Financing Information [Abstract] Non Cash Operating Investing And Financing Information [Abstract] Non-cash Operating, Financing and Investing Activities: Offered period for sales return prior to expiration. Offered Period for Sales Return Prior to Expiration Offered period for sales return prior to expiration Offered period for sales return subsequent to expiration. Offered Period for Sales Return Subsequent to Expiration Offered period for sales return subsequent to expiration Office Equipment [Member] Office Furniture and Equipment [Member] Operating Expenses Total expenses Operating Expenses [Abstract] Expenses: Operating Income (Loss) (Loss) income from operations Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Organization, Basis of Presentation and Summary of Significant Policies Other Accrued Liabilities, Current Accrued other Other Liabilities, Noncurrent Other long-term liabilities Other Nonoperating Income (Expense) Other expense, net Payables and Accruals [Abstract] Payables and Accruals [Abstract] Payments of Financing Costs Payment of deferred financing fees Payments to Acquire Businesses, Net of Cash Acquired Deferred cash consideration to Endo BELBUCA® acquisition Payments to Acquire Property, Plant, and Equipment Purchase of equipment Performance based vesting. Performance Based Vesting [Member] Performance-Based [Member] Preferred Stock, Par or Stated Value Per Share Preferred Stock, par value Preferred Stock, Shares Authorized Preferred Stock, shares authorized Preferred Stock, Shares Outstanding Preferred Stock, shares outstanding Preferred Stock, Value, Issued Preferred Stock, $.001 par value; 5,000,000 shares authorized; 2,093,155 shares of Series A Non-Voting Convertible Preferred Stock outstanding at both March 31, 2018 and December 31, 2017, respectively Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Prepayment period of outstanding principal and accrued unpaid interest. Prepayment Period Of Outstanding Principal And Accrued Unpaid Interest Prepayment period of outstanding principal and accrued unpaid interest Reclassification, Policy [Policy Text Block] Reclassification Proceeds from Lines of Credit Second draw gross proceeds Proceeds from Secured Notes Payable Proceeds from notes payable Proceeds from Stock Options Exercised Proceeds from exercise of stock options Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Property, Plant and Equipment, Gross Property, plant & equipment, gross Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Property, Plant and Equipment [Table Text Block] Summarized Category of Fixed Assets Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Purdue Pharma [Member] Purdue Pharma [Member] Purdue Pharma [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Renewable term. Renewable Term Renewable term of employment agreement Repayments of Notes Payable Payment on note payable Counterparty Name [Domain] Counterparty Name [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] 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 [Member] Research and Development [Member] Amount of revenue earned as a result of reimbursement from research and development arrangements. Research And Development Reimbursements Research and development reimbursements Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Retained Earnings (Accumulated Deficit) Accumulated deficit Retained Earnings [Member] Accumulated Deficit [Member] Retirement Agreement [Member] Retirement Agreement [Member] Retirement Agreement [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Revenue from contracts with customers impacts to condensed consolidated financial statements. Revenue from Contracts with Customers Impacts to Condensed Consolidated Financial Statements [Table Text Block] Impact and cumilative effect of adoption of ASC 606 on condensed consolidated balance sheet, statement of operations and accounts receivables Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Text Block] Revenue from Contracts with Customers Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue Recognition, Milestone Method [Line Items] Revenue Recognition, Milestone Method [Line Items] Revenue Recognition, Milestone Method, Revenue Recognized Milestone based payments received Revenue Recognition, Milestone Method [Table] Revenue Recognition, Milestone Method [Table] Revenue Recognition, Policy [Policy Text Block] Revenue recognition Revenues Total revenues Total revenues Revenues [Abstract] Revenues: Royalty Revenue Product royalty revenues Salaries, Wages and Officers' Compensation Base salary Sale of Stock [Domain] Sale of Stock [Domain] Sales discounts in percentages. Sales Discounts Percentage Discount for prompt payment Sales Information [Line Items] Sales Information [Line Items] Sales Information [Line Items] Sales returns goods period. Sales Returns Goods Period Sales return maximum duration Sales Revenue, Goods, Net Net product sales Product sales Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Summary of Components of Accounts Payable and Accrued Liabilities Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Common Share Computations 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 Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of Allocated Stock-based Compensation Expense Schedule of future maturities of debt obligation table. Schedule Of Future Maturities Of Debt Obligation [Table Text Block] Future Maturities of CRG Obligation Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Inventory, Current [Table Text Block] Summary of Inventories Schedule of Product Information [Table Text Block] Summary of Net Sales by Product Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of Asset Purchase Price and Estimated Values of Assets Acquired and Liabilities Assumed Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [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, Restricted Stock Units Award Activity [Table Text Block] Summary of Restricted Stock Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of Stock Option Activity Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Key Assumptions Used in Determining Fair Value of Options Granted Secured Debt [Member] Secured Debt [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Selling, General and Administrative Expenses [Member] Selling, General and Administrative [Member] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Share-based Compensation Stock-based compensation expense Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting period of shares Share based compensation arrangement by share based payment award equity instruments other than options conversions in period. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Conversions In Period Number of restricted shares, Conversions Number of restricted shares, Conversions Share based compensation arrangement by share based payment award equity instruments other than options conversions weighted average grant date fair value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Conversions Weighted Average Grant Date Fair Value Weighted average fair market value per RSU, Conversions Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of restricted shares, Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average fair market value per RSU, Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period RSU granted Number of equity instruments awarded in period Number of Shares, Granted 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 RSUs granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average fair market value per RSU, Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of restricted shares, Outstanding at end of period Number of restricted shares, Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average fair market value per RSU, Outstanding at end of period Weighted average fair market value per RSU, Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of restricted shares, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average fair market value per RSU, Vested 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 Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 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, Options, Exercisable, Number Stock option 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 Initial incentive stock option to purchase Number of shares, Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value, Outstanding, balance 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 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 Equity Award [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 Shares, Issued Ending Balance, shares Beginning Balance, shares Shelf registration statement authorization amount. Shelf Registration Statement Authorization Amount Shelf registration authorize amount Signing Bonus Payments Signing Bonus Payments Signing bonus Class of Stock [Axis] Class of Stock [Axis] Equity Components [Axis] Equity Components [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 Attributable to Parent Ending Balance Beginning Balance Stockholders' equity Total stockholders' equity Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Stock Issued Common stock issuance upon retirement Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock awards, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock option exercise, shares Number of shares, Exercised Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock awards Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation Stock Issued During Period, Value, Stock Options Exercised Stock option exercise Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Event [Member] Subsequent Event [Member] 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] Sale of Stock [Axis] Sale of Stock [Axis] Termination agreement date. Termination Agreement Date Termination agreement date Text Block [Abstract] Text Block [Abstract] Time based vesting. Time Based Vesting [Member] Time-Based [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Trading Symbol Trading Symbol Tranche One [Member] Tranche One [Member] Tranche One [Member] Tranche Two [Member] Tranche Two [Member] Tranche Two [Member] Treasury Stock [Member] Treasury Stock [Member] Treasury Stock, Shares Treasury stock, shares Treasury Stock, Value Treasury stock, at cost, 15,491 shares TTY license and supply agreement. TTY License And Supply Agreement [Member] TTY License and Supply Agreement [Member] Type of Adoption [Domain] Type of Adoption [Domain] Type of Arrangement and Non-arrangement Transactions [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Unamortized discount and loan costs Upfront payment of research and development expenses. Upfront Payment Of Research And Development Expenses Upfront payment Use of Estimates, Policy [Policy Text Block] Use of estimates in financial statements Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Weighted Average Number Diluted Shares Outstanding Adjustment Effect of dilutive options and warrants Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average common stock shares outstanding Diluted weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding Weighted average common stock shares outstanding