Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Concentration risk, threshold percentage The threshold percentage of a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation. Concentration Risk Threshold Percentage Cybersecurity Risk Management Positions or Committees Responsible [Flag] Cybersecurity Risk Role of Management [Text Block] Cybersecurity Risk Board of Directors Oversight [Text Block] Cybersecurity Risk Management Third Party Engaged [Flag] Cybersecurity Risk Management Processes Integrated [Text Block] Cybersecurity Risk Management Processes Integrated [Flag] Cybersecurity Risk Management, Strategy, and Governance [Line Items] Cybersecurity Risk Management, Strategy, and Governance [Table] Cybersecurity Risk Management, Strategy, and Governance [Abstract] The amount of maximum reimbursement of advisor’s out-of-pockets fees and expenses. Maximum reimbursement of advisor’s out-of-pockets fees and expenses Maximum reimbursement of advisor’s out-of-pockets fees and expenses Percentage of capital raised for cash success fee payable Percentage of capital raised for cash success fee payable The percentage of capital raised for cash success fee payable. The expiration period of agreement term, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. This member stands for the information pertaining to “Placement Agent”. RBW Capital Partners LLC and Dawson James Securities, Inc. [Member] Placement Agent [Member] Counterparty Name [Domain] Counterparty Name [Axis] This member stands for the information pertaining to “Private or public offering”. Private or public offering (the “Offering”) Private or public offering [Member] This member stands for the information pertaining to “Securities Placement Agreement”. Securities Placement Agreement [Member] Securities Placement Agreement [Member] CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Agreement term Agreement term Operating Lease, Liability Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Percentage of total consideration of the offering for Mergers and Acquisitions advisory fee payable The percentage of total consideration of the offering for Mergers and Acquisitions advisory fee payable. Percentage of total consideration of offering for Mergers and Acquisitions advisory fee payable Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] All Individuals [Member] Individual [Axis] All Trading Arrangements [Member] Trading Arrangement [Axis] Trading Arrangements, by Individual [Table] Trading Arrangement, Securities Aggregate Available Amount Trading Arrangement Duration Trading Arrangement Termination Date Certificates of deposit [Member] Certificates of Deposit [Member] Mutual funds [Member] US Treasury securities [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Repayments of short-term debt Repayments of Short-Term Debt Leases Lessee, Leases [Policy Text Block] Dividend payment Gross unrealized holding losses Estimated fair value Marketable Securities Available For Sale Unrealized Loss Position Fair Value Mutual Fund [Member] US Treasury Securities [Member] Common Stock, Dividends, Per Share, Cash Paid Increase (Decrease) In Legal Settlement Receivables Legal settlement receivable Dividends paid Payments of Dividends Foreign Cash Accounts Time Deposits Not Covered By FDIC Insurance Foreign cash accounts not covered by Federal Deposit Insurance Corporation insurance Recent Changes Recent changes Disclosure of accounting policy regarding recent changes on the company's consolidated financial position, results of operations or cash flows. Insider Trading Arrangements [Line Items] Trading Arrangement, Individual Name Material Terms of Trading Arrangement [Text Block] Rule 10b5-1 Arrangement Adopted [Flag] Trading Arrangement, Individual Title Trading Arrangement Adoption Date Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Terminated [Flag] Rule 10b5-1 Arrangement Terminated [Flag] ICFR Auditor Attestation Flag Entity Ex Transition Period Document Financial Statement Error Correction [Flag] Current portion of operating lease liabilities, included in accrued liabilities Number of challenges in the petition Number of challenges found in petition were not reasonably likely to prevail Number of challenges found in the petition were not reasonably likely to prevail Number of material references that render those claims unpatentable The number of material references that render those claims unpatentable. Number of material references that render those claims unpatentable Number of amended claims Period of payment requirement from date of invoicing for dealers payment The period of payment requirement from date of invoicing for dealer payment. Period of payment requirement from date of invoicing for dealer payment Period of cumulative pre-tax operating losses The period of cumulative pre-tax operating losses. Period of cumulative pre-tax operating losses Period of scheduled delivery date to customer Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value The period of scheduled delivery date to customer. Period of scheduled delivery date to customer Number of original claims unpatentable in light Number of conditions for capitalization of legal expenses The number of conditions for capitalization of legal expenses. Number of Original Claims Unpatentable In Light Number of amended claims The number of amended claims. Period of payment requirement from date of invoicing for distributor payment Period of payment requirement from date of invoicing for distributor payment Maturity period of highly-liquid investments classified as cash equivalents The maturity period of highly-liquid investments classified as cash equivalents. Amortization of right of use of assets Operating Lease, Right-of-Use Asset, Amortization Expense Cash and cash equivalents at the end of the year Cash and cash equivalents at the beginning of the year Leases Lessee, Operating Leases [Text Block] Total Available-for-sale Marketable Securities, Accumulated Gross Unrealized Loss Gross unrealized holding losses Available-for-sale Marketable Securities, Accumulated Gross Unrealized Gain Gross unrealized holding gains Available-for-sale Marketable Securities, Amortized Cost The amount of amortized cost of marketable securities classified as available-for-sale securities. Amortized cost Marketable Securities. Estimated fair value Deferred tax assets Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Maturity period of highly-liquid investments classified as cash equivalents Employee Stock Purchase Plan, Two [Member] This member stands for the information pertaining to employee stocks purchase plan. Employee Stock Purchase Plan, Two Tax benefit Income Tax Credits and Adjustments Tax benefit Debt securities, unrealized loss position Debt Securities, Available-for-sale, Unrealized Gain (Loss) Subsequent events Bridge loan issuance date Purchase price (in dollars per share) Common stock, shares issue and sell (in shares) Private Placement Subsequent Event [Line Items] Private Placement [Member] Sale of Stock [Domain] Sale of Stock [Axis] Debt Instrument, deferred period for periodic payments of principal and interest Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Securities Purchase Agreement [Member] Debt Instrument, deferred period for periodic payments of principal and interest The number of challenges found in the petition were not reasonably likely to prevail. This member stands for the information pertaining to securities purchase agreement. Securities Purchase Agreement Subsequent Event [Table] The period of payment requirement from date of invoicing for distributor payment. Subsequent events Auditor Location Auditor Firm ID Auditor Name Document Annual Report Extended date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Extended debt instrument maturity date Extended Debt Instrument Maturity Date Debt Instrument, Maturity Date Edward D. Bagley Bridge Loan Notes Payable, Other Payables [Member] Notes Payable Debt Instrument, Name [Domain] Debt Instrument [Axis] Bridge Loan [Member] Short-term Debt, Type [Domain] Short-term Debt, Type [Axis] Majority Shareholder [Member] Debt Instrument, Issuance Date Principal amount of loan obtained Promissory note issuance date Debt Instrument, Face Amount Principal payments of long-term debt Repayments of Long-term Debt Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 1998 Incentive Plan Share-Based Payment Earnings Per Share Income Taxes Advertising Warranty Costs Revenue from Contract with Customer [Policy Text Block] Impairment of Long-Lived Assets Intangible Assets Property and Equipment Inventories Accounts Receivable Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements of operating lease liabilities. Marketable Securities Cash Equivalents Concentration Risk Foreign Currency Translation Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Use of Estimates Consolidation Assets: Debt Securities, Available-for-sale [Abstract] Unrecognized tax benefits, interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized tax benefits impacting effective tax rate Fair Value Measurements Deferred: Business Description, Basis of Presentation and Significant Accounting Policies Statement [Line Items] Net income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Diluted weighted average shares outstanding (in shares) Basic weighted average shares outstanding (in shares) Diluted loss per common share (in dollars per share) Basic loss per common share (in dollars per share) Other Nonoperating Income (Expense) Common stock, shares outstanding (in shares) Common stock, shares issued (in shares) Common stock, shares authorized (in shares) Allowance for doubtful accounts Accumulated other comprehensive loss Deferred rent Deferred product revenue Employee Stock Ownership Plan (ESOP), Compensation Expense Stock Issued During Period, Shares, Employee Stock Purchase Plans Accrued liabilities Represents information relating to an Employee Stock Purchase Plan. Accounts payable Current liabilities: Represents a significant customer of the Company, designated as Customer B. Customer A Customer Concentration Risk [Member] Accounts Receivable Revenue Benchmark [Member] Concentration Risk, Percentage Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 2 [Member] Municipal bonds Corporate Debt Securities [Member] Other assets Property and equipment, net Geographic Sales Information All other countries United States Additions for tax positions of prior years Additions based on tax positions related to the current year Number of shares, granted (in shares) Deferred Tax Assets, Other Cash and cash equivalents at the end of the year Accrued expenses Stock-based compensation Deferred Tax Assets, Tax Credit Carryforwards, Research Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Sale of Stock, Number of Shares Issued in Transaction Sale of Stock, Price Per Share Weighted average options and warrants outstanding (in shares) Business Description, Basis of Presentation and Significant Accounting Policies Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of estimated future amortization expense of intangible assets Proceeds from equity-based compensation programs Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost Due after one year through five years, amortized cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value Due after one year through five years, estimated fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Marketable Securities Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based compensation expense Expected dividend yield Expected price volatility, average Expected option life, average (Year) Risk-free interest rate, average Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Aggregate intrinsic value Allowance for sales returns and doubtful accounts Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Inventory Change in valuation allowance Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (Loss) from Continuing Operations before Income Taxes, Domestic Operating Leased Assets [Line Items] Shenzhen, China Chennai, India Zaragoza, Spain Austin, Texas Salt Lake City, Utah Gainesville, Florida Warehouse [Member] Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Facility to support, principal administrative, sales, marketing, customer support, and research and product development activity Facility to support, research and development activity CHINA INDIA SPAIN TEXAS UTAH FLORIDA Warehouse to support, primary inventory fulfillment and repair center Office Building [Member] Industrial Property [Member] Marketable Securities Marketable Securities [Table] Finite-Lived Intangible Assets [Line Items] Schedule of Finite-Lived Intangible Assets [Table] Lapse in statutes of limitations Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Table] Quarterly Coverage Ratio of Debt Instrument Covenants Schedule of Operating Leased Assets [Table] Product Information [Line Items] Schedule of Product Information [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Payments Accounts Receivable, Allowance for Credit Loss [Roll Forward] Significant customers Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Warrants, Valuation assumptions, Black-Scholes method Concentration Risk [Table] Replacement Parts [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Inventory, Current [Table] Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Fair Value, Recurring and Nonrecurring [Table] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Table] Revenues from External Customers and Long-Lived Assets [Line Items] Non-US [Member] Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction Segment Reporting Disclosure [Text Block] Unrecognized Tax Benefits that Would Impact Effective Tax Rate Income Taxes Income Taxes Fair Value Measurements Concentration Risk Disclosure [Text Block] Significant Customers Share-based Payment Arrangement [Text Block] Share-Based Payments Share-Based Payments Commitments and Contingencies Commitments and Contingencies Accrued Liabilities Accrued Liabilities Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Retained Earnings Number of shares, vested at end of period (in shares) Accumulated other comprehensive loss Accumulated deficit Liabilities and Equity [Abstract] Number of shares, forfeited prior to vesting (in shares) LIABILITIES AND SHAREHOLDERS’ EQUITY Assets [Abstract] ASSETS Interest rate assumption used in valuing an instrument. Warrants, assumptions rate Warrants and Rights, Outstanding Percentage Convertible Debt, Fair Value Disclosures Liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Proceeds from Convertible Debt Original issue discount and issuance costs Class of Warrant or Right, Exercise Price of Warrants or Rights Senior Convertible Notes, Threshold consecutive trading days Senior Convertible Notes, Initial conversion price per share Purchase price of common stock, percentage Published in the Wall Street Journal (New York edition) as of the beginning of such calendar quarter Interest accrual at a variable rate adjusted on a quarterly basis, percent Beneficial owner of the Company’s issued and outstanding shares of Common Stock Common Stock, Par or Stated Value Per Share Issuance and sale of secured convertible notes Senior Convertible Notes and Warrants Maximum Number of shares available for grant Beneficial owner Common Stock Warrants Senior Convertible Notes Senior Convertible Notes and Warrants Payments of Debt Issuance Costs Warrants, Initial exercise price per share Debt Instrument, Convertible, Threshold Consecutive Trading Days Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of shares, outstanding at beginning of period (in shares) Number of shares, outstanding at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Litigation settlement Senior Convertible Notes, Threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Schedule of tax effects of significant temporary differences representing net deferred tax assets and liabilities Debt Instrument, Convertible, Conversion Price Debt Instrument, Description of Variable Rate Basis Debt Instrument, Basis Spread on Variable Rate Related Party Transaction, Rate Warrants to purchase of common stock, shares Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Proceeds from Issuance of Long-term Debt Debt Instrument [Line Items] Beneficial Owner [Member] Related Party [Domain] Related Party [Axis] Warrant [Member] Convertible Debt [Member] Long-term Debt, Type [Domain] Long-term Debt, Type [Axis] Schedule of Long-term Debt Instruments [Table] Net carrying amount Schedule of reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions Schedule of revenues by geographical areas Schedule of fair value of the financial instruments Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2023 Warrants and Rights Outstanding Net carrying amount Warrants Conversion feature Warrant Instrument Convertible Beneficial Conversion Feature Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Warrants Carrying Amount Amount of warrants, including conversion feature of warrants. Equity component: Warrants [Abstract] Expected life of Warrants (years) Net carrying amount Long-term Debt, Gross Liability component: Schedule of income tax (provision) differs from that computed at the federal statutory corporate income tax rate Long-term Debt Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Less: debt discount and issuance costs, net of amortization Principal Long-term Debt, Unclassified [Abstract] Expected dividend yield Expected price volatility Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Expected life of Warrants (years) Directors and officers Warrants and Rights Outstanding, Term Measurement Input, Expected Dividend Rate [Member] Measurement Input, Price Volatility [Member] Measurement Input, Expected Term [Member] Other employees Measurement Input Type [Domain] Measurement Input Type [Axis] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of carrying value of Notes and Warrants Schedule of maturities of principal amount contained in the Notes Schedule of Maturities of Long-term Debt [Table Text Block] Convertible Debt [Table Text Block] Schedule of Warrants, Valuation assumptions, Black-Scholes method Schedule of Warrants Valuation Assumptions [Table Text Block] Debt Debt Long-term Debt [Text Block] Total Convertibles and Bonds with Warrants Attached [Member] Senior Convertible Notes [Member] Accrued legal fees and costs Accrued Professional Fees, Current Less: Imputed interest Total lease payments Thereafter Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Two Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due after Year Five 2029 2028 2027 2026 2025 Right-of-use assets obtained in exchange for lease obligations: Cash paid for amounts included in the measurement of lease liabilities: Lease, Cost [Abstract] Cash Flow, Operating Activities, Lessee [Abstract] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Weighted average discount rate for operating leases Weighted average remaining lease term for operating leases (in years) Total operating lease liabilities Operating lease liabilities, net of current portion Operating Lease, Right of Use Assets Operating leases Operating cash flows from operating leases Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Remaining Lease Term Total Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating Lease, Payments Operating Lease, Expense Rent expense Leases Lease, Cost [Table Text Block] Schedule of Rent expense Proceeds from issuance of short-term notes Net proceeds after original issue discount and issuance costs Operating Lease, Liability, Noncurrent Operating lease liability, net of current Trade account receivables Purchase price (in dollars per share) Operating Lease Liabilities Classified as Accrued Liabilities, Current The amount of current operating lease liabilities classified as accrued liabilities. Additional paid-in capital Common Stock, Value, Issued Deferred Tax Assets, Net Security Exchange Name Title of 12(b) Security Common stock and paid-in capital Common Stock Including Additional Paid in Capital [Member] Long-term debt Long-term portion of liability component included under long-term debt Subsequent Event [Member] Subsequent Event Type [Domain] Entity Interactive Data Current Advertising Cost [Policy Text Block] Operating lease – right of use assets, net UNITED STATES Settlements Reductions for tax positions of prior years Total Other Difference in property and equipment basis Deferred Tax Liabilities, Property, Plant and Equipment Current assets: Marketable securities Prepaid expenses and other assets Research and development tax credits Net operating loss carryforwards Inventory reserve Basis difference in intangible assets Deferred Tax Assets, Deferred Income Deferred revenue Change in valuation allowance Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Tax rate change Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Foreign earnings or losses taxed at different rates Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Subpart F inclusion Research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount State income tax benefit (provision), net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Deferred Tax Assets, Goodwill and Intangible Assets Tax benefit (provision) at federal statutory rate Deferred Income Tax Expense (Benefit) Total deferred Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Total Long-term marketable securities Deferred Foreign Income Tax Expense (Benefit) Foreign Deferred State and Local Income Tax Expense (Benefit) State Deferred Federal Income Tax Expense (Benefit) Federal Current Income Tax Expense (Benefit) Total current Current Foreign Tax Expense (Benefit) Foreign Current State and Local Tax Expense (Benefit) State Current Federal Tax Expense (Benefit) Federal Foreign Domestic Years of tax examination Income Tax Examination, Year under Examination Intangibles, net Operating lease right-of-use assets Allowance for doubtful accounts activity Amount of deferred cost of goods sold as of balance sheet date. Operating Loss Carryforwards Net operating loss carryforwards Deferred Revenue Deferred Revenue Level 3 [Member] Level 2 [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Axis] Concentration risk, percentage Customer B [Member] Customer B Customer [Member] Represents a significant customer of the Company, designated as Customer A. Customer [Domain] Customer [Axis] Customer Concentration Risk Concentration Risk Type [Domain] Concentration Risk Type [Axis] Accounts Receivable [Member] Sales Revenue, Net Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Axis] Plan compensation expense Common stock, par value $0.001, 50,000,000 shares authorized, 23,992,995 and 23,958,194 shares issued and outstanding, respectively Other long-term liabilities Tax benefit from compensation cost Share-based Payment Arrangement, Expense, Tax Benefit Stock Issued During Period, Value, Employee Stock Purchase Plan Cost of Goods and Services Sold Dividends paid, recorded date Dividends Payable, Date of Record Dividends paid, date Dividends Payable, Date to be Paid Number of Shares Over Subscribed Number of shares oversubscribed The number of shares were oversubscribed. Offering price (Per share) Shares Issued, Price Per Share Cash dividends on common stock Common Stock, Dividends, Per Share, Declared Share Repurchase Program Average Purchase Price Per Share Share Repurchase Program, Average Purchase Price Per Share Total cost of shares repurchased divided by the total number of shares repurchased. Stock Repurchase Program Additional Authorized Amount Stock Repurchase Program, Additional Authorized Amount Amount of additional stock repurchase plan authorized in a renewed and extended stock repurchase program. Percentage of voting rights Revenue Selling and Marketing Expense Operating Expenses [Abstract] General and Administrative Expense Research and Development Expense Share based compensation recognized Share-based Payment Arrangement, Expense Number of options, outstanding Fiscal Year Stock options, expiration period (years) Options vesting period (years) Number of shares authorized Other Accrued Liabilities, Noncurrent us-gaap_OtherAccruedLiabilitiesNoncurrent Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees, capitalized during the period. Litigation Settlement Expense Capitalized Litigation expense, capitalized Litigation Settlement, Expense us-gaap_LitigationSettlementExpense Uncertain tax positions, ending balance Balance - beginning of year Uncertain tax positions Unrecognized Tax Benefits Long-term Purchase Commitment, Amount Purchase commitment, amount Other Accrued Liabilities, Current Product Warranty Accrual, Current Accrued Marketing Costs, Current Accrued Salaries, Current Represents information pertaining to Patents and Technological Know-how. Operating lease, term (in years) Lessee, Operating Lease, Renewal Term Area of facility Area of Real Estate Property Amortization of Deferred Charges Amortization of Deferred Charges Rent expense Operating Leases, Rent Expense Accumulated depreciation and amortization Property, Plant and Equipment, Gross Manufacturing and Test Equipment [Member] The Impact of Covid-19 The Impact of Covid-19 Unusual or Infrequent Items, or Both, Disclosure [Text Block] Income Taxes Revenues Concentration Risk [Line Items] Fair Value Measurements Represents the information pertaining to manufacturing and test equipment. Vehicles [Member] Commitments and Contingencies Employee Stock Purchase Plans Major classifications of property and equipment and estimated useful lives Leases Available-for-sale marketable securities in a gross unrealized loss position Intangible Assets Decrease of cash used in operating activities Marketable Securities [Line Items] Net cash used in operating activities Increase (Decrease) in Net Cash Provided by (Used in) Operating Activities Disclosure of accounting policy pertaining to liquidity arrangements needed to meet operating requirement of the entity. New accounting pronouncements, policy Liquidity, Policy [Policy Text Block] Liquidity Earliest tax year Latest tax year Tax authority, spain Inland revenue, hong Kong Foreign tax authority Internal revenue service (IRS) Domestic tax authority State and local jurisdiction Leasehold Improvements [Member] Office Furniture and Equipment [Member] Represents the information pertaining to office furniture and equipment. Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Disposals Disposal of fixed assets Depreciation Depreciation expense Finished goods Inventory Noncurrent Finished Goods Net Of Reserves Schedule of maturities of marketable securities classified as available-for-sale securities Raw materials Inventory Noncurrent Raw Materials Net Of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items that are classified as noncurrent. Schedule of Available-for-sale Securities Reconciliation [Table Text Block] Distributor Channel Inventories Distributor channel inventories The carrying value of distributor channel inventories. Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Finite-Lived Intangible Assets, Amortization Expense, Year Five 2029 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2028 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2027 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2026 Subsequent Event Type [Axis] Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Total intangible assets, net Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Total intangible assets, gross Finite-Lived Intangible Assets, Gross Other Proprietary software Represents information pertaining to Proprietary Software. Patents and Technological Know-how Patents And Technological Know How [Member] Tradenames Amortization of Intangible Assets Amortization of intangible assets Gross unrealized holding losses Estimated fair value Replacement Parts Debt Securities, Available-for-sale Total available-for-sale securities, estimated fair value Debt Securities, Available-for-sale, Amortized Cost Total available-for-sale securities, amortized cost Minimum [Member] Due within one year, estimated fair value Due within one year, amortized cost Customer Relationships [Member] US States and Political Subdivisions Debt Securities [Member] Corporate bonds and notes [Member] Financial Instruments [Domain] Financial Instrument [Axis] Schedule of sales to significant customers that represented more than 10 percent of total revenues Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of consolidated income before taxes for domestic and foreign operations Schedule of components of (provision) for income taxes Standard and Extended Product Warranty Accrual, Decrease for Payments Usage/claims Accruals/additions Standard and Extended Product Warranty Accrual Balance at the beginning of year Balance at end of year Europe and Africa [Member] Diluted weighted average shares (in shares) Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Weighted Average Number of Shares Outstanding, Basic Europe and Africa Information related to the regions of Europe and Africa. Schedule of Accrued Liabilities Americas [Member] Information related to the regions of Asia, the Middle East and Australia. Asia, Middle East and Australia [Member] Asia (including Middle East) and Australia North and South America Geographical [Domain] Schedule of maturities of operating lease liabilities Information related to video products. Geographical [Axis] Video products Video Products [Member] Microphones [Member] Microphones Audio Conferencing Audio Conferencing [Member] Deferred Gross Profit Deferred gross profit Amount of deferred gross profit as of balance sheet date. Deferred cost of goods sold Deferred Cost of Goods Sold Deferred revenue Accounts Receivable, Allowance for Credit Loss, Writeoff Write offs, net of recoveries Allowance increase (decrease) Accounts Receivable, Allowance for Credit Loss Balance at beginning of the year Balance at end of the year Increase (Decrease) of Net Deferred Tax Assets Increase (Decrease) of Net Deferred Tax Assets Amount of adjustment of deferred tax assets from a revaluation as a result of the Tax Cuts and Jobs Act. Advertising expenses Advertising Expense Impairment of Intangible Assets, Finite-lived Impairment of Intangible Assets, Finite-lived Number of Reporting Units Number of Reporting Units Intangible assets, estimated useful lives Finite-Lived Intangible Asset, Useful Life Estimated useful lives (Year) Property and equipment, useful life (in years) Property, Plant and Equipment, Useful Life Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of stock option activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Accrued Liabilities [Table Text Block] Property, Plant and Equipment [Table Text Block] Schedule of Inventory Current and Noncurrent [Table Text Block] Tabular disclosure of inventories. Other Intangible Assets [Member] Available for Sale Securities Debt Maturities [Table Text Block] Tabular disclosure of maturities of available-for-sale securities. Proprietary Software [Member] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Disaggregation of Revenue [Table Text Block] Schedule of disaggregates the Company’s revenue into primary product groups and major regions Schedule of allowance for doubtful accounts activity New Accounting Pronouncements, Policy [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Standard Product Warranty, Policy [Policy Text Block] Trade Names [Member] Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Represents information pertaining to Microphones. Property, Plant and Equipment, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Marketable Securities, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Represents information pertaining to Audio Conferencing. Concentration Risk, Credit Risk, Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Consolidation, Policy [Policy Text Block] Fiscal Period, Policy [Policy Text Block] Office furniture and equipment Geographic Sales Information Income Tax Disclosure [Text Block] Latest Tax Year [Member] Net deferred tax assets Inventories, net Earliest Tax Year [Member] Tax Period [Domain] Tax Period [Axis] Inland Revenue, Hong Kong [Member] Tax Authority, Spain [Member] Internal Revenue Service (IRS) [Member] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Axis] Foreign Tax Authority [Member] State and Local Jurisdiction [Member] Domestic Tax Authority [Member] Income Tax Authority [Domain] Income Tax Authority [Axis] Fair Value Disclosures [Text Block] Significant Customers Information related to equipment sales. Information related to software and licenses. Other Employees [Member] Represents information pertaining to employees other than directors and officers. Directors and Officers [Member] Represents information pertaining to directors and officers of the company. Relationship to Entity [Domain] Title of Individual [Axis] Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Represents a share-based compensation plan approved by the company in 1998. Incentive Plan 1998 [Member] The equity incentive plan approved by the company in 2007. Equity Incentive Plan 2007 [Member] Plan Name [Domain] Plan Name [Axis] Commitments and Contingencies Disclosure [Text Block] Litigation for Intellectual Property Infringement [Member] Information pertaining to the litigation for intellectual property infringement. Litigation Case [Domain] 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. 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 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. Litigation Case [Axis] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Leasehold improvements Vehicles Manufacturing and test equipment Subsequent Event Litigation for Intellectual Property Infringement Marketable Securities Available For Sale Unrealized Loss Position Accumulated Loss Property and Equipment Inventory Disclosure [Text Block] Loss Contingencies [Line Items] Loss Contingencies [Table] Receivable [Policy Text Block] Software and Licenses [Member] Software and Licenses Equipment Sales [Member] Equipment Sales Product and Service [Domain] Product and Service [Axis] Type of Adoption [Domain] Adjustments for New Accounting Pronouncements [Axis] Customer Relationships 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. Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Greater of Minimum Range [Domain] Range [Axis] Inventory [Domain] Marketable Securities Available For Sale Continuous Unrealized Loss Position 12 Months Or Longer Accumulated Loss Inventory [Axis] Revenue Recognition Policy Cash paid for income taxes Supplemental disclosure of cash flow information: Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Gross unrealized holding losses, more than 12 months Gross proceeds from issuance of common stock and warrants 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. Cash flows from financing activities: Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Payments to Acquire Marketable Securities Purchase of marketable securities Proceeds from maturities and sales of marketable securities Purchase of intangibles Payments to Acquire Intangible Assets 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. Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Cash flows from investing activities: Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Increase (Decrease) in Other Noncurrent Liabilities Other long-term liabilities Retained Earnings [Member] Increase (Decrease) in Deferred Revenue Deferred product revenue Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Estimated fair value, more than 12 months Marketable Securities Available For Sale Continuous Unrealized Loss Position 12 Months Or Longer Fair Value Increase (Decrease) in Accrued Liabilities Total revenues Geographic Sales Information Accrued liabilities 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 Increase (Decrease) in Accounts Payable Marketable Securities Available For Sale Continuous Unrealized Loss Position Less Than 12 Months Accumulated Loss Accounts payable Prepaid expenses and other assets Maximum [Member] Increase (Decrease) in Inventories Inventories Increase (Decrease) in Receivables Patent Trial and Appeal Board [Member] Geographic Concentration Risk [Member] Receivables Patent Trial and Appeal Board This member stands for the information pertaining to Patent Trial and Appeal Board ("PTAB"). The number of challenges in the petition. Number of challenges in petition Changes in operating assets and liabilities: Loss on disposal of assets Gain (Loss) on Disposition of Assets Inventory Write-down Change of inventory to net realizable value Provision for doubtful accounts, net Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Cash flows from operating activities: Statement of Cash Flows [Abstract] 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. Includes beneficial interest in securitized financial asset. Number of shares issued Stock Issued During Period, Shares, New Issues Proceeds from employee stock purchase plan Estimated fair value, less than 12 months Stock Issued During Period, Value, Employee Stock Purchase Plan Shares purchased under ESPP plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Current: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Intangible Assets Marketable Securities Marketable Securities Available For Sale Continuous Unrealized Loss Position Less Than 12 Months Fair Value Goodwill and Intangible Assets Disclosure [Text Block] Intangible Assets Inventories Inventories Current Income Tax Expense (Benefit), Continuing Operations [Abstract] IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Increase (Decrease) in Prepaid Expense and Other Assets Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock repurchased (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of shares, exercised (in shares) Equity Component [Domain] Accumulated deficit Amount of foreign cash accounts time deposit liabilities, including certificates of deposit, in denominations that not covered by Federal Deposit Insurance Corporation (FDIC) insurance. AOCI Attributable to Parent [Member] Common Stock [Member] Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Equity Components [Axis] Statement of Stockholders' Equity [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Change in Accounting Policy, recognized an adjustment to increase retained earnings Schedule of major classifications of property and equipment and estimated useful lives Net Cash Provided by (Used in) Operating Activities [Abstract] Supplemental Cash Flow Information [Abstract] Income Taxes Paid, Net Proceeds from Sale and Maturity of Marketable Securities Net Cash Provided by (Used in) Financing Activities [Abstract] Income taxes receivable Net Cash Provided by (Used in) Investing Activities [Abstract] Schedule of Inventories, net of reserves Increase (Decrease) in Operating Capital [Abstract] Accounts Receivable, Credit Loss Expense (Reversal) Long-term: Inventory, Noncurrent [Abstract] Current: Inventory, Raw Materials, Net of Reserves Inventory, Net, Items Net of Reserve Alternative [Abstract] Raw materials Other accrued liabilities Property and equipment, gross Sales and marketing programs and customer credit balances Product warranty Subsequent Events [Text Block] The deferred period for periodic payments of principal and interest of debt Instrument repayment. Schedule of Supplemental cash flow and balance sheet information related to leases [Table text block] Tabular disclosure of supplemental cash flow and balance sheet information related to leases. Subsequent events Schedule of Supplemental cash flow and balance sheet information related to leases Comprehensive loss: The amount of accumulated gross unrealized loss on investment in marketable securities classified as available-for-sale securities. Weighted Average Number of Shares Outstanding, Diluted Schedule of the computation of basic and diluted loss per common share The amount of accumulated gross unrealized gain on investment in marketable securities classified as available-for-sale securities. Loss before income taxes Accrued salaries and other compensation Risk-free interest rate Schedule of changes in the warranty accrual Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements of paycheck protection program loan liabilities. Schedule of valuation assumptions for applying the Black-Scholes methodology to the options granted under share-based payments 2007 Equity Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Measurement Input, Risk Free Interest Rate [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Net decrease in cash and cash equivalents 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] Basic weighted average shares (in shares) Business Description, Basis of Presentation and Significant Accounting Policies Diluted loss per common share: (in dollars per share) Tabular disclosure of deferred revenue and associated cost of goods sold and gross profit. Schedule of Deferred Revenue and Associated Cost of Goods Sold and Gross Profit [Table Text Block] Earnings Per Share, Diluted Basic loss per common share: (in dollars per share) Earnings Per Share, Basic Net loss Net Income (Loss) Attributable to Parent Schedule of amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of security Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] 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. Represents the number of shares authorized but not issued. Net loss Number of authorized unissued options Share Based Compensation Arrangement by Share Based Payment Award Number of Shares Authorized And Unissued Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Compensation cost related to stock options expected to be recognized (in years) Employee Stock Purchase Plan Participation Criteria Maximum Percentage of Voting Power Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, 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, Forfeitures and Expirations in Period Weighted average exercise price, expired and canceled (in dollars per share) Weighted average exercise price, forfeited prior to vesting (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Aggregate intrinsic value, vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations, before the valuation allowance adjustment. Deferred Income Tax Expense Benefit Before Valuation Allowance Deferred Tax Asset Change In Amount Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Tabular disclosure of the significant assumptions used during the year to estimate the fair value of warrants using black-scholes method. 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. Weighted Average Remaining Contractual Term (Years) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Number of shares, vested and expected to vest at end of period (in shares) Weighted average exercise price, vested and expected to vest at end of period (in dollars per share) Weighted average remaining contractual term, vested and expected to vest (Years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average remaining contractual term, vested (Years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Provision for income taxes Discount on purchase price of common stock, percentage Discount on the purchase price of common stock expressed as a percentage of its fair value. Share Based Compensation Arrangement by Share Based Payment Award Discount on Purchase Price of Common Stock Percent Schedule of deferred revenue and associated cost of goods sold and gross profit Foreign currency translation adjustment Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Schedule of intangible assets and estimated useful lives Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Change in foreign currency translation adjustment Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Weighted average exercise price, granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Tax benefit (provision) Other income, net Operating Income (Loss) Operating loss Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Total operating expenses Operating Expenses Gain (Loss) Related to Litigation Settlement Legal settlement Goodwill, Impairment Loss Goodwill, Impairment Loss General and administrative Research and product development Sales and marketing Operating expenses: Gross Profit Gross profit Cost of goods sold Revenue Revenue from Contract with Customer, Including Assessed Tax Decreased revenue due to the impact of the adoption of the New Revenue Standard Common Stock, Shares, Outstanding Common Stock, Shares, Issued Common Stock, Shares Authorized Common stock, par value (in dollars per share) Allowance For Doubtful Accounts, Receivable, Current Liabilities and Stockholders Equity Total liabilities and shareholders’ equity Balance Balance Total shareholders’ equity Stockholders' Equity Attributable to Parent Retained earnings/(accumulated deficit) Accumulated Other Comprehensive Income (Loss), Net of Tax Additional Paid in Capital, Common Stock Current portion of operating lease liabilities Income Tax Expense (Benefit) Shareholders’ equity: Liabilities Total liabilities Other Liabilities, Noncurrent Deferred Rent Credit, Noncurrent Liabilities, Current Total current liabilities Contract with Customer, Liability, Current Deferred product revenue Accrued Liabilities, Current Total Accounts Payable, Current Liabilities, Current [Abstract] Assets Total assets Other Assets, Noncurrent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Intangible Assets, Net (Excluding Goodwill) Property, Plant And Equipment, Net Property and equipment, net Long-term inventories, net Inventory, Noncurrent Long-term inventory Marketable Securities, Noncurrent Assets, Current Total current assets Prepaid Expenses And Other Assets, Current Distributor channel inventories Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Retail Related Inventory Working Capital (Deficit) Cash and cash equivalents Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Amount of working capital represents to the value of current assets minus current liabilities. Accounting Standards Update 2016-02 Aggregate intrinsic value, vested Working capital Accounting Standards Update 2016-02 [Member] Entity [Domain] Legal Entity [Axis] Entity Registrant Name Trading Symbol Entity Central Index Key Weighted average exercise price, vested at end of period (in dollars per share) Entity Filer Category Current Fiscal Year End Date Entity Voluntary Filers Entity Current Reporting Status Entity Emerging Growth Company Entity Well-known Seasoned Issuer Entity Common Stock, Shares Outstanding (in shares) Entity Small Business Entity Shell Company Entity Public Float Document Period End Date Document Type Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Amendment Flag Statement [Line Items] Statement [Table] Cash and cash equivalents Assets Current [Abstract] Cash and cash equivalents at the beginning of the year Cash and Cash Equivalents, at Carrying Value Accounts Receivable, after Allowance for Credit Loss, Current Marketable Securities, Current Weighted average exercise price, exercised (in dollars per share) Inventory, Net Receivables, net of allowance for credit losses of $405 and $326 Total Current inventory Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption, Adjustment [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of shares, expired and canceled (in shares) Total net deferred income tax asset Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Assets, Gross Less: Valuation allowance Net deferred income tax asset (liability) Short-term Debt Short-term debt Weighted average exercise price, beginning of period (in dollars per share) Proceeds from Paycheck Protection Program loan Proceeds from Issuance of Unsecured Debt Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Amortization of debt issuance costs and discounts Amortization of Debt Issuance Costs and Discounts Loans Payable [Member] Debt Instrument, Term Debt Instrument, Interest Rate, Stated Percentage Paycheck Protection Program Loan Proceeds of the Loan Loan term Interest rate of the loan Convertible Notes Payable, Noncurrent Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Marketable securities Income Taxes Receivable, Current Income tax receivable Common Stock, Capital Shares Reserved for Future Issuance Proceeds from issuance of common stock, gross The cash inflow from the additional capital contribution to the entity before deduction of issuance costs. Gross Proceeds from Issuance of Common Stock Common stock shares issued Number fo shares were agreed to issue and sell in a registered direct offering Proceeds from issuance of common stock, net of issuance costs Shares, Issued Exercise price of warrants Expiry term of warrants Shares Issued, Price Per Share Schedule of Operating Lease Liabilities [Table Text Block] Weighted average exercise price, end of period (in dollars per share) Schedule of operating lease liabilities Schedule of Paycheck Protection Program Loan Liabilities [Table Text Block] Schedule of paycheck protection program loan liabilities Convertible Notes Payable [Member] Secured convertible notes Convertible Notes Payable, Current Convertible Notes Payable Current portion of liability component included under short-term debt Liability component total Loans Payable to Bank, Current Loans Payable to Bank, Noncurrent Loans Payable to Bank Current portion of the PPP Loan included under short-term debt Long-term portion of the PPP Loan included under long-term debt Total Local Phone Number City Area Code Entity Address, Postal Zip Code Entity Address, State or Province Entity Address, City or Town Entity Address, Address Line One 2025 Document Transition Report Entity File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Cash paid for interest Cover [Abstract] Bridge loan amended date Debt Instrument, Decrease, Forgiveness Debt Instrument Amended Date Date the debt instrument was amended, in YYYY-MM-DD format. Principal and interest payments received as forgiveness Interest Payable Stock Issued During Period, Value, Conversion of Convertible Securities Interest amount of loan obtained Extinguishment of Debt, Amount Extinguishment of debt Gain (Loss) on Extinguishment of Debt Gain on extinguishment of debt Net carrying amount Number of shares issued at-the-market offering (in shares) Proceeds from issuance of private placement Proceeds from Issuance of Private Placement The amount of gain (loss) on legal settlement proceeds, net of capitalized legal costs less amortization. Patent license proceeds Gain (Loss) on Legal Settlement Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Numerator: Interest on Convertible Debt, Net of Tax Interest adjustment under if-converted method Net Income (Loss) Available to Common Stockholders, Diluted Net income (loss) available to common stockholders, diluted Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Denominator: Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Dilutive common stock equivalents using if-converted method (in shares) Number of common stock issued for cancellation and termination of short-term notes Short-Term Notes Payable Time Deposits, at or Above FDIC Insurance Limit This member stands for the information pertaining to Shure Incorporated (“Shure”). Shure Incorporated (“Shure”) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Total compensation cost related to stock options not yet recognized Litigation Settlement Amount Deposited Towards Payment of Bond for Securing Intellectual Property Amount deposited towards payment of a bond for securing intellectual property in judgment or settlement of litigation. The maximum percentage of the voting power of the Company, its parent or subsidiary that an employee can have to participate in the ESPP. Amount of increase (decrease) in the amount of net cash inflow (outflow) from operating activities during the year. Disclosure of accounting policy pertaining to other new accounting pronouncements that will not have a impact the entity's financial reporting. Other recent accounting pronouncements Other Recent Accounting Pronouncements That Will Not Have Material Impact On Financial Reporting, Policy [Policy Text Block] Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Schedule of shares purchased and compensation expense associated with Employee Stock Purchase Plans Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability Shure Incorporated [Member] Litigation Settlement, Amount Awarded from Other Party Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Litigation settlement receivable Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from capitalized research and development costs expensed in connection with a business combination. Gain (loss) related to litigation settlement Litigation Settlement Receivable, Amortized Costs Litigation settlement receivable, amortized costs Amount of expense for allocation of cost of litigation settlement. Customers [Member] Customers This member stands for the information pertaining to Customers. Deferred Tax Liabilities, Deferred Expense, Debt Issuance Costs Convertible debt Deferred Tax Assets, Capitalized Research Expenditure Capitalized research expenditure Area of Real Estate Property Reduced Area of Real Estate Property Reduced Area of a real estate property reduced. The amount of legal settlement receivable. License receivable Receivables, Legal Settlement Anti-dilutive options and warrants not included in the computation (in shares) Unrealized gain (loss) on available-for-sale securities, net of tax Other Comprehensive Income Available for sale Securities Adjustment Net Of Tax Portion Attributable To Parent Interest income (expense) Interest Income (Expense), Nonoperating Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Increase (Decrease) in Operating Lease Liability Other comprehensive loss: Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Abstract Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Segment Reporting, Policy [Policy Text Block] Operating lease liabilities Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] Operating Segment