Total notes payable obligation Long-term Debt Awards granted (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period License and Distribution Rights License And Distribution Rights [Member] License and distribution rights. Document Type Document Type Aggregate intrinsic value, Outstanding, balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Other expense, net Other Nonoperating Income (Expense) Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Series A Preferred Stock Series A Preferred Stock [Member] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Treasury Stock Treasury Stock [Member] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cost of sales Cost of Goods and Services Sold BELBUCA Belbuca [Member] 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. Equity Components [Axis] Equity Components [Axis] Weighted average fair market value per RSU, Vested (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Minimum Minimum [Member] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Provision for inventory obsolescence Inventory Write-down Property and equipment, net Total property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization BUNAVAIL Bunavail [Member] BUNAVAIL [Member] Range [Domain] Statistical Measurement [Domain] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Line of Credit Line of Credit [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Key Assumptions Used in Determining Fair Value of Options Granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Entity Interactive Data Current Entity Interactive Data Current Preferred Stock Preferred Stock [Member] Weighted average exercise price per share, Exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Revenues: Revenues [Abstract] Security Exchange Name Security Exchange Name Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Summary of Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Right of use, building lease Finance Lease, Right-of-Use Asset, before Accumulated Amortization Income from operations Operating Income (Loss) Interest only, payment term Debt Instrument, Interest Only Payment Term Debt Instrument, Interest Only Payment Term Total current liabilities Liabilities, Current Entity Registrant Name Entity Registrant Name Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Accrued compensation and benefits Accrued Employee Benefits, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Weighted average fair market value per RSU, Outstanding at beginning of period (in usd per share) Weighted average fair market value per RSU, Outstanding at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Variable Rate [Domain] Variable Rate [Domain] Variable Rate [Axis] Variable Rate [Axis] Commitments and contingencies (Note 9) Commitments and Contingencies Restricted stock awards Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Payment on share repurchase Payments for Repurchase of Common Stock ASSETS Assets [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Vesting period of shares Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Accounting Policies [Abstract] Accounting Policies [Abstract] Stock-based compensation Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Entity Address, State or Province Entity Address, State or Province Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Accounts payable Accounts Payable, Current 2024 Long-Term Debt, Maturity, Year Three Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued legal Accrued Legal Current Accrued legal current. Accumulated deficit Retained Earnings (Accumulated Deficit) Conversion to common stock Stock Issued During Period, Value, Conversion of Convertible Securities Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Finished goods Inventory, Finished Goods, Gross Cost of sales Cost of Goods and Service [Policy Text Block] Product Concentration Risk Product Concentration Risk [Member] Treasury stock, shares acquired (in shares) Treasury Stock, Shares, Acquired Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Unrecognized compensation cost related to non-vested share-based compensation awards granted Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Entity Address, Postal Zip Code Entity Address, Postal Zip Code Threshold limit for liquid investments Threshold Limit For Liquid Investments Threshold Limit For Investments Of A Liquid Nature Preferred Stock, 5,000,000 shares authorized; $0.001 par value, Series B Non-Voting Convertible Preferred Stock, 443 shares outstanding at March 31, 2021 and December 31, 2020, respectively. Preferred Stock, Value, Issued Goodwill Goodwill Symproic Symproic [Member] SymproicMember Total Expenses: Operating Expenses Document Transition Report Document Transition Report Stock option exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Common Stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Title of Individual [Axis] Title of Individual [Axis] Other long-term liabilities Other Liabilities, Noncurrent Warrants outstanding (in shares) Class of Warrant or Right, Outstanding Officers and Directors Officers And Directors [Member] Officers and directors. Taxes payable Increase (Decrease) in Income Taxes Payable Summary of Net Sales by Product Schedule of Product Information [Table Text Block] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Overview Entity Overview [Policy Text Block] Entity Overview Policy Document Quarterly Report Document Quarterly Report Inventory, net Total inventories Inventory, Net Total Revenues: Net product sales Revenue from Contract with Customer, Excluding Assessed Tax Forfeitures (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Lender Name [Axis] Lender Name [Axis] Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Percent of net product sales Concentration Risk, Percentage Weighted average exercise price per share, Granted (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Bio Pharma Credit Plc Bio Pharma Credit Plc [Member] XXX_Bio Pharma Credit Plc [Member] Statement [Line Items] Statement [Line Items] Credit Facility [Domain] Credit Facility [Domain] Weighted average common stock shares outstanding (in shares) Weighted average common stock shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Basic earnings per share (in usd per share) Basic earnings/(loss) per share (in usd per share) Earnings Per Share, Basic Class of Stock [Domain] Class of Stock [Domain] Basic Earnings Per Share, Basic and Diluted [Abstract] CRG CRG Servicing LLC [Member] CRG servicing LLC. Computer equipment & software Computer Equipment [Member] Debt instrument, term Debt Instrument, Term Weighted average expected life in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Entity File Number Entity File Number Summary of Components of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Statement [Table] Statement [Table] Range [Axis] Statistical Measurement [Axis] Credit Facility [Axis] Credit Facility [Axis] Net cash flows (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Inventory obsolescence reserved Obsolescence reserve Inventory Valuation Reserves Warrant exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Number of shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures [Abstract] Common Stock, $0.001 par value; 235,000,000 shares authorized; 101,702,234 and 101,417,441 shares issued; 100,061,096 and 101,354,447 shares outstanding at March 31, 2021 and December 31, 2020, respectively. Common Stock, Value, Issued Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Entity Small Business Entity Small Business Principles of consolidation Consolidation, Policy [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status Notes Payable Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Amendment Flag Amendment Flag Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Fair market value of RSUs 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. Weighted average fair market value per RSU, Granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Accretion of debt discount and loan costs Accretion Expense Officers and Directors Executive Officers And Directors [Member] Executive Officers And Directors Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Common Stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accrued other Other Accrued Liabilities, Current Net cash flows provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Central Index Key Entity Central Index Key Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts receivable, after allowance for credit loss Accounts Receivable, after Allowance for Credit Loss Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] Series B Preferred Stock Series B Preferred Stock [Member] Measurement of credit losses of financial instruments Credit Loss, Financial Instrument [Policy Text Block] Total stockholders’ equity Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Summary of Other Intangible Assets Net Consisting of Product Rights and Licenses Schedule Of Finite Lived Intangible Assets By Major Class [Table Text Block] Schedule Of Finite Lived Intangible Assets By Major Class Concentration Risk Type [Domain] Concentration Risk Type [Domain] Total liabilities and stockholders’ equity Liabilities and Equity Employees Employee [Member] Employee [Member] Entity Address, City or Town Entity Address, City or Town Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Selling, general and administrative General and Administrative Expense Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Product sales, net Product [Member] 2025 Long-Term Debt, Maturity, Year Four Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Weighted Average Useful Life Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Entity common stock, shares outstanding (in shares) Entity Common Stock, Shares Outstanding Fair market value of shares granted 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. Treasury stock, weighted average price (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Construction in progress Construction in Progress [Member] Accrued rebates Accrued Marketing Costs, Current Entity Tax Identification Number Entity Tax Identification Number Stockholders' Equity Note [Abstract] Amortization of intangible assets Amortization of Intangible Assets Percent of accounts receivable outstanding for 30 days Accounts Receivable, Allowance for Credit Loss, Percentage Of Accounts Receivable Outstanding Less Than Thirty Days Accounts Receivable, Allowance for Credit Loss, Percentage Of Accounts Receivable Outstanding Less Than Thirty Days Net income (loss) Net Income (Loss) Attributable to Parent Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Inventory Inventory Disclosure [Text Block] Work-in-process Inventory, Work in Process, Gross Effect of dilutive options and warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Net Sales by Product Segment Reporting Disclosure [Text Block] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Restricted stock awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Product Rights Product Rights [Member] ProductRightsMember Total assets Assets Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Expenses: Operating Expenses [Abstract] Organization, basis of presentation and summary of significant policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Title of 12(b) Security Title of 12(b) Security Total Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Intangible Assets, net Finite-Lived Intangible Assets, Net Taxes payable Accrued Income Taxes, Current Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Interest expense, net Interest Expense Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Weighted average exercise price per share Number of restricted shares Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Product and Service Product and Service [Axis] Total liabilities Liabilities License and distribution rights, net License And Distribution Rights license and distribution rights. Expected price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Entity Filer Category Entity Filer Category Common Stock Common Stock [Member] 2023 Long-Term Debt, Maturity, Year Two Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Product and Service [Domain] Product and Service [Domain] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Net income attributable to common stockholders Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Inventories Increase (Decrease) in Inventories Summarized Category of Fixed Assets Property, Plant and Equipment [Table Text Block] Leasehold improvements Leasehold Improvements [Member] Gross Carrying Value Finite-Lived Intangible Assets, Gross Revenue Benchmark Revenue Benchmark [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Conversion to common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Treasury stock, amount repurchased Treasury Stock, Value, Acquired, Cost Method Diluted Earnings Per Share, Diluted [Abstract] Adjustments to reconcile net income to net cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Beginning Balance (in shares) Ending Balance (in shares) Shares, Issued Stock option exercises (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Future Maturities of the Notes Payable Obligation Schedule Of Future Maturities Of Debt Obligation [Table Text Block] Schedule of future maturities of debt obligation table. Machinery & equipment Machinery and Equipment [Member] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Common Stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Idle equipment Idle Equipment [Member] Idle equipment. Weighted average common stock shares outstanding (in shares) Weighted average common stock shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Weighted average exercise price per share, Forfeitures (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Treasury stock, shares (in shares) Treasury Stock, Shares Weighted average exercise price per share, Outstanding at beginning of period (in usd per share) Weighted average exercise price per share, Outstanding at end of period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Product royalty revenues Royalty [Member] Common Stock, shares authorized (in shares) Common Stock, Shares Authorized Summary of Restricted Stock Activity Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Property, plant, and equipment, gross Property, Plant and Equipment, Gross Proceeds from exercise of stock options Proceeds from Stock Options Exercised Additional facility funds that can be obtained Debt Instrument Additional Facility That Can Be Obtained Additional Amount Of Debt Facility that Can be availed Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Revenue recognition Revenue [Policy Text Block] Notes payable, net Notes Payable, Noncurrent Additional paid-in capital Additional Paid in Capital Cash and cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Accrued returns Accrued Returns Accrued returns. Inventory Inventory, Policy [Policy Text Block] Income tax provision Income Tax Expense (Benefit) Term of options granted period 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. Income Statement [Abstract] Income Statement [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Relationship to Entity [Domain] Title of Individual [Domain] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Diluted earnings per share (in usd per share) Diluted earnings/(loss) per share (in usd per share) Earnings Per Share, Diluted Local Phone Number Local Phone Number Accrued royalties Accrued Royalties, Current Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Use of estimates in financial statements Use of Estimates, Policy [Policy Text Block] Current assets: Assets, Current [Abstract] Total maturities Long-term Debt, Gross Depreciation Depreciation Entity Address, Address Line One Entity Address, Address Line One Sales Information [Line Items] Sales Information [Line Items] Sales Information [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Stock option exercises Stock Issued During Period, Value, Stock Options Exercised Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Preferred Stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share 2022 Long-Term Debt, Maturity, Year One Secured credit term loan Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Weighted average fair market value per RSU Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Purchase of equipment Payments to Acquire Property, Plant, and Equipment City Area Code City Area Code Maximum Maximum [Member] Preferred Stock, shares authorized (in shares) Preferred Stock, Shares Authorized Document Period End Date Document Period End Date Raw materials  Inventory, Raw Materials and Supplies, Gross Share repurchase Treasury Stock, Value, Acquired, Par Value Method Accumulated Deficit Retained Earnings [Member] Accrued regulatory expenses Accrued Regulatory Costs Accrued Regulatory Costs Preferred Stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Unamortized discount and loan costs Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Net cash flows used in investing activities Net Cash Provided by (Used in) Investing Activities Authorized stock repurchase amount Stock Repurchase Program, Authorized Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Warrants fair value Warrants and Rights Outstanding Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Equity Award [Domain] Award Type [Domain] Trading Symbol Trading Symbol Summary of Inventories Schedule of Inventory, Current [Table Text Block] LIBOR floor rate Debt Instrument, Variable Rate, Floor Interest Rate Debt Instrument, Variable Rate, Floor Interest Rate Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense 2021 Long-Term Debt, Maturity, Remainder of Fiscal Year Treasury stock, at cost, 1,641,138 and 62,994 shares, as of March 31, 2021 and December 31, 2020, respectively. Treasury Stock, Value Office furniture & equipment Office Equipment [Member] Cover [Abstract] Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Intangible Assets Intangible Assets Disclosure [Text Block] New Accounting Pronouncements, adopted New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]