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Threshold period of specified consecutive trading days for compliance with the minimum bid price requirement for continued listing on the Nasdaq Capital Market, as set forth in Nasdaq Marketplace Rule 5550(a)(2) (the “Minimum Bid Price Requirement”). The per share value of minimum bid price requirement for compliance with the minimum bid price requirement for continued listing on the Nasdaq Capital Market, as set forth in Nasdaq Marketplace Rule 5550(a)(2) (the “Minimum Bid Price Requirement”). Unrecognized compensation cost related to non-vested stock options, net of forfeitures, weighted average period Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents The amount of accumulated gross unrealized loss on investment in marketable securities classified as available-for-sale securities. The amount of accumulated gross unrealized gain on investment in marketable securities classified as available-for-sale securities. Marketable Securities Available For Sale Unrealized Loss Position Accumulated Loss The amount of accumulated unrealized loss on investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. The amount of investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. The amount of accumulated unrealized loss on investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Gross unrealized holding losses, more than 12 months Marketable Securities Available For Sale Continuous Unrealized Loss Position 12 Months Or Longer Accumulated Loss The amount of investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Estimated fair value, more than 12 months Marketable Securities Available For Sale Continuous Unrealized Loss Position 12 Months Or Longer Fair Value The amount of accumulated unrealized loss on investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Gross unrealized holding losses, less than 12 months Marketable Securities Available For Sale Continuous Unrealized Loss Position Less Than 12 Months Accumulated Loss Title of 12(b) Security Amendment Flag The amount of investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. 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Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Change in foreign currency translation adjustment Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Amount of increase (decrease) in the amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are classified as noncurrent. Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Entity Shell Company Entity Common Stock, Shares Outstanding (in shares) Represents the number of shares authorized but not issued. 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Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Schedule of Net Loss Incurred on Valuation of Inventory at Lower of Cost or Market Value and Write Off of Obsolete Inventory [Table Text Block] Schedule of net loss incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory Tabular disclosure of the net loss incurred on valuation of inventory at lower of cost or market value and write-off of obsolete inventory. Amount of a favorable spread to a warrant holder between the amount of warrant being converted and the value of the securities received upon conversion. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Long-term Debt, Maturities, Repayments of Principal in Year Three Long-term Debt, Maturities, Repayments of Principal in Year Two Total compensation cost related to stock options not yet recognized hare-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Interest rate assumption used in valuing an instrument. Warrants and Rights Outstanding Percentage Warrants Carrying Amount Amount of warrants, including conversion feature of warrants. Entity Interactive Data Current Senior Convertible Notes, Principal Amount Maturing 2025 2024 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2023 Long-term Debt, Fiscal Year Maturity [Abstract] Amortization of debt discount and issuance costs Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Amortization of Debt Issuance Costs and Discounts Subsequent Event Net increase in cash and cash equivalents Subsequent events Paycheck Protection Program Loan Interest rate of the loan Proceeds of the Loan Subsequent Event [Line Items] Debt Instrument, Name [Domain] Debt Instrument [Axis] Loans Payable [Member] Short-term debt Short-term Debt Proceeds from Issuance of Common Stock Issuance of common stock and warrants Net cash provided by operating activities Diluted weighted average shares outstanding (in shares) Schedule of Paycheck Protection Program Loan Liabilities [Table Text Block] Schedule of paycheck protection program loan liabilities Issue of common stock and warrants Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost Income Taxes Receivable, Current Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Income tax receivable Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost Schedule of intangible assets and estimated useful lives Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised Unrealized loss on available-for-sale securities, net of tax Inventory, Net [Abstract] Inventory, Noncurrent [Abstract] Current: Long-term: Entity File Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, City or Town Entity Address, Postal Zip Code Entity Tax Identification Number City Area Code Options exercisable at end of year (in shares) Local Phone Number Document Quarterly Report Document Transition Report Forfeited prior to vesting Canceled or expired Entity Address, State or Province Bridge Loan [Member] Notes Payable Majority Shareholder [Member] Principal amount of loan obtained Equity Method Investment, Ownership Percentage Bridge Loan Short-Term Notes [Member] Foreign currency translation adjustment Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Edward D. Bagley Debt Instrument, Face Amount Beneficial ownership percentage of common stock Interest rate of the loan obtained Long-Term Debt, Maturity, Remainder of Fiscal Year 2023 (Remainder) Operating Lease, Liability [Abstract] Operating lease liabilities: Finite-Lived Intangible Asset, Expected Amortization, Year One Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Closing price per share Share Price Minimum Bid Price Requirement, grant period Minimum Bid Price Requirement, grant period Allocated Share Based Compensation Expense Minimum Bid Price Requirement, Threshold Consecutive Trading Days Minimum Bid Price Requirement, Threshold Consecutive Trading Days Minimum Bid Price Requirement, per share Minimum Bid Price Requirement Per Share Stock options, expiration period (years) Equity Incentive Plan 2007 Two [Member] Options outstanding at end of year Options outstanding at beginning of year Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Weighted average options, warrants and convertible portion of senior convertible notes outstanding (in shares) Incremental Common Shares Attributable To Dilutive Effect of Weighted Average Options Warrants and Convertible Portion of Senior Convertible Notes Outstanding Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of weighted average options, warrants and convertible portion of senior convertible notes outstanding. Equity Incentive Plan 2007 (the “2007 Plan”) [Member] Stockholders' Equity Attributable to Parent [Abstract] Shareholders' equity: Business Description, Basis of Presentation and Significant Accounting Policies [Table] Disclosure of information about business description, basis of presentation and significant accounting policies. Schedule of available-for-sale marketable securities with continuous gross unrealized loss position Schedule of available-for-sale marketable securities with continuous gross unrealized loss position Tabular disclosure of fair value of investment in marketable security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. The increase (decrease) during the reporting period in legal settlement receivables. Schedule of valuation assumptions for applying the Black-Scholes methodology to the options granted under share-based payments Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Repayments of short-term debt Principal payments of debt Repayments of Debt Operating Lease, Right-of-Use Asset, Amortization Expense Amortization of right-of-use assets Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Less: Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised, Forfeitures and Expirations [Abstract] Less: Amortized cost Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised, Forfeitures and Expirations, Weighted Average Exercise Price [Abstract] Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Repayments of Short-Term Debt Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] 2025 Available For Sale Marketable Securities Amortized Cost Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Dividends payable amount per share Dividends Payable, Date to be Paid Number of Time of Special Dividend Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Unrecognized compensation cost related to non-vested stock options, net of forfeitures Unrecognized compensation cost related to non-vested stock options, net of forfeitures Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Dividends Payable, Amount Per Share The number of time of special dividend to be paid was declared by the reporting entity. Number of time of special dividend Dividends Certificates of Deposit [Member] Dividends Payable, Nature Dividends payable, Nature Common Stock [Member] Dividends Payable, Date Declared Dividends payable, declared date The amount of legal settlement receivable. Increase (Decrease) in Operating Lease Liability Operating lease liabilities Dividends accrued Mutual Funds [Member] Receivables, Legal Settlement Patent cross license receivable Investments, Debt and Equity Securities [Abstract] Equity Incentive Plan 2007 [Member] Mutual Fund [Member] The member stand for information pretending to equity incentive plan 2007 (the “2007 Plan”). Share-Based Compensation Dividends payable, date to be paid Dividends Payable, Date of Record Certificates of Deposit [Member] US Treasury Securities [Member] US Treasury securities [Member] Dividends payable, record date Schedule of share-based compensation expense