Investments Investment, Policy [Policy Text Block] Schedule of Investments Debt Securities, Available-for-Sale [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Common stock and common stock warrants Common stock and common stock warrants No definition available. Recently adopted and issued accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Prepaid expenses and other current assets Prepaid Expenses And Other Assets, Current [Text Block] The entire disclosure for prepaid expenses and other current assets as of the balance sheet date. Research and Development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Noncash interest expense Non-Cash Interest Expense Non-Cash Interest Expense Vesting of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance of Class A common stock under ESPP (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Total current income tax expense Current Income Tax Expense (Benefit) Adjustment to Compensation, Amount Adjustment to Compensation Amount Customer concentration risk Concentration Risk, Percentage Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Share-Based Payment Arrangement, Option Options to purchase common stock Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Percentages Effective Income Tax Rate Reconciliation, Percent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Cash dividends Dividends, Common Stock, Cash Total stockholders’ equity Balance at beginning of period Balance at end of period Equity, Attributable to Parent Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Schedule of Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, authorized (in shares) Common Stock, Shares Authorized Issuance of Class A common stock under the ATM offering, net (in shares) Stock Issued During Period, Shares, New Issues Risk of concentrations of credit, significant customers and significant suppliers Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] State and Local Jurisdiction State and Local Jurisdiction [Member] Product and Service Revenue Product And Service [Member] Product And Service Cover [Abstract] Cover [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Options exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Amortization period of capitalized software costs Finite-Lived Intangible Asset, Useful Life Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value [Abstract] No definition available. 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[Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income tax provision Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Unrealized loss Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Customer G Customer G [Member] Customer G Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expense and Other Assets, Current [Abstract] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, short-term Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Non-Recurring Non-Recurring Contract With Customer [Member] Non-Recurring Contract With Customer Award Timing Method Award Timing Method [Text Block] Office furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Non-current deferred revenue Contract with Customer, Liability, Noncurrent Debt Instrument, Tranche Three Debt Instrument, Tranche Three [Member] Debt Instrument, Tranche Three Stock-based compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Deposits Deposits 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Taxes, Current Issuance of Class A common stock upon exercise of common stock options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Debt Instrument, Tranche Two Debt Instrument, Tranche Two [Member] Debt Instrument, Tranche Two Number of shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax expense Total expense for income taxes Income Tax Expense (Benefit) Variable interest rate Debt 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Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities, Current Federal net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Domestic Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Unvested at beginning of period (in shares) Unvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Product warranties Standard Product Warranty, Policy [Policy Text Block] Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Accounting Policies [Table] Accounting Policies [Table] Accounting Policies Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Sales of investments Proceeds from sale of available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-Sale Estimated Useful Life Property, Plant and Equipment, Useful Life Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Schedule of Black-Scholes Option-Pricing Model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of Estimated Useful Life of Assets Schedule Of Property Plant And Equipment, Useful Life [Table Text Block] Tabular disclosure of useful life of property, plant and equipment. 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Total current liabilities Liabilities, Current Inventories Deferred Tax Assets, Inventory Individual: Individual [Axis] Company contributions to plan Defined Contribution Plan, Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Document Annual Report Document Annual Report Research and development Research and Development Expense [Member] Customer C Customer C [Member] Represents information pertaining to customer c. Finance lease renewal term Lessee, Finance Lease, Renewal Term Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Fully depreciated assets disposed of Property, Plant and Equipment, Disposals Entity Interactive Data Current Entity Interactive Data Current Accrued expenses Deferred Tax Assets, Accrued Expenses Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued expenses. Revenue recognition Revenue from Contract with Customer [Policy Text Block] Accrued vendor expenses Vendor Accruals, Current Carrying value as of the balance sheet date of current portion of obligations incurred through that date and payable for vendor accruals. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer) Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Unrealized gain Deferred Tax Liabilities, Debt Securities, Available-For-Sale, Unrealized Gain Deferred Tax Liabilities, Debt Securities, Available-For-Sale, Unrealized Gain Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Maximum value of shares available for purchase per employee Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Employee Subscription Amount Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Employee Subscription Amount Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] 2027 Finance Lease, Liability, to be Paid, Year Two Operating loss carryforward not utilized and expected to expire Operating Loss Carryforwards, Expected Expiration Amount Amount of operating loss carryforward not utilized and expected to expire. Accumulated depreciation Finance Lease, Right-of-Use Asset, Accumulated Amortization Other long-term assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Debt Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Minimum purchase commitments, 2027 Purchase Obligation, to be Paid, Year Two Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Balance at August 8, 2025 (Issuance date) Balance at December 31, 2025 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Research and development capitalized costs Deferred Tax Assets, Research And Development Capitalized Costs Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from research and development capitalized costs. Deferred revenue Contract with Customer, Liability, Current Exercise price of warrants (in dollars per share) Weighted average exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Work in process Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Unrecognized compensation expense related to units Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Notes payable, net Long-term debt, less debt issuance costs Long-Term Debt, Excluding Current Maturities Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Warrant liability Warrant Liability, Noncurrent Warrant Liability, Noncurrent Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Entity Address, Address Line One Entity Address, Address Line One Additional amount of debt available to be draft at the lenders' sole discretion Debt Instrument, Available Proceeds From Secured Debt, Triggered By Lender Discretion Proceeds From Secured Debt, Triggered By Lender Discretion Research and development Research and Development Expense Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Tax withholding on settlement of restricted stock units (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Conversion of Class B common stock to Class A common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Notes Payable, Net Schedule of Long-Term Debt Instruments [Table Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Title and Position [Domain] Title and Position [Domain] Total costs and operating expenses Costs and Expenses Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Warrant Liability Determined Using Key Inputs for the Black-Scholes Option Pricing Model Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Warranty repairs Standard Product Warranty Accrual, Decrease for Payments Maximum consideration permitted to be received on transaction Sale Of Stock, Prospectus Limitations, Maximum Consideration Permitted To Be Received On Transaction Sale Of Stock, Prospectus Limitations, Maximum Consideration Permitted To Be Received On Transaction Investments, All Other Investments [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Germany GERMANY Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Shares purchased under plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award Non-PEO NEO Non-PEO NEO [Member] Options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Issuance of Class A common stock under ESPP Stock Issued During Period, Value, Employee Stock Purchase Plan All other countries All Other Countries [Member] Represents information pertaining to all other countries other than US, Germany and Switzerland. Right-of-use assets Deferred Tax Liabilities, Leasing Arrangements Sale of Stock [Axis] Sale of Stock [Axis] Gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Advertising costs Advertising Expense Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Volume-weighted average price per share period Class Of Warrant Or Right, Volume-Weighted Average Price Per Share Period Class Of Warrant Or Right, Securities Called By Each Warrant Or Right, Threshold Trading Days Triggering Volume-Weighted Average Price Switzerland SWITZERLAND Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized which was included in deferred revenue in prior period Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Foreign Tax Effects Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Options to purchase common stock under ESPP Employee Stock Employee Stock [Member] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Tax Credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Sales and marketing Selling and Marketing Expense 2026 Long-Term Debt, Maturity, Year One Financial Instruments [Domain] Financial Instruments [Domain] Unrealized (loss) gain on investments Unrealized (losses) gains on investments, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Total deferred tax liabilities Deferred Tax Liabilities, Gross Award Date [Domain] Award Date [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Inventory, net Total Inventory, Net Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Recurring Recurring Contract With Customer [Member] Recurring Contract With Customer Company Selected Measure Name Company Selected Measure Name Cost of revenue Cost of Goods and Service [Policy Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Operating cash outflows - payments on operating leases Operating Lease, Payments Warranty provisions Standard Product Warranty Accrual, Increase for Warranties Issued Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Amortization of software development costs Capitalized Computer Software, Accumulated Amortization Foreign Current Foreign Tax Expense (Benefit) Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment information Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Sales and marketing Selling and Marketing Expense [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding State Current State and Local Tax Expense (Benefit) Notes payable, net Long-Term Debt [Text Block] Document Transition Report Document Transition Report Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Schedule of Concentration Risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Total lease payments Finance Lease, Liability, to be Paid Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Income taxes Income Tax Disclosure [Text Block] Allowance for doubtful accounts for expected cored losses Accounts Receivable, Allowance for Credit Loss Class A Common stock Common Class A [Member] Customer D Customer D [Member] Represents information pertaining to customer d. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Common stock warrants Warrant Liability, Policy [Policy Text Block] Warrant Liability, Policy Accretion on investments Accretion Of Debt Securities, Available-For-Sale Accretion Of Debt Securities, Available-For-Sale Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net loss per share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revenue Benchmark Revenue from Contract with Customer Benchmark [Member] Variable lease cost Variable Lease, Cost Total revenue Revenue from Contract with Customer, Excluding Assessed Tax April 12, 2018 April 12, 2018 [Member] Represents the information pertaining to April 12, 2018. Options vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Intrinsic value of stock options exercised (less than) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Tax withholding on settlement of restricted stock units Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Cash paid for amounts included in measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee Contract with Customer, Duration [Domain] Contract with Customer, Duration [Domain] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Level 1 Fair Value, Inputs, Level 1 [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Net loss per share — diluted (in dollars per share) Net loss per share attributable to common stockholders - diluted (in dollars per share) Earnings Per Share, Diluted Customer F Customer F [Member] Represents information pertaining to customer f. Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current July 24, 2017 July 24, 2017 [Member] Represents the information pertaining to July 24, 2017. Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Number of shares sold under sales agreement (in shares) Sale of Stock, Number of Shares Issued in Transaction Paid state income taxes Income Tax Paid, State and Local, after Refund Received Nature of the business and basis of presentation Business Description and Basis of Presentation [Text Block] Investments, Debt and Equity Securities [Abstract] Auditor Location Auditor Location Benefit plans Defined Benefit Plan [Text Block] Short-term investments Debt Securities, Available-for-Sale, Current Warrant to purchase Class A common stock Warrants Issued Warrants Issued Comprehensive income (loss) Comprehensive Income, Policy [Policy Text Block] Domestic Tax Jurisdiction Domestic Tax Jurisdiction [Member] Warrant exercisable, percentage of drawn down debt amount Class Of Warrant Or Right, Percentage Of Proceeds From Issuance Of Debt Class Of Warrant Or Right, Percentage Of Proceeds From Issuance Of Debt Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Term Loan Outstanding debt Long-Term Debt, Gross Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Accrued employee compensation and benefits expense Employee-related Liabilities, Current Property and equipment, net Property, Plant and Equipment Disclosure [Text Block] Total lease payments Lessee, Operating Lease, Liability, to be Paid Customer H Customer H [Member] Customer H Lease liability Deferred Tax Assets, Leasing Arrangements Deferred Tax Assets, Leasing Arrangements Expiration Date Trading Arrangement Expiration Date Employees, Officers and Directors Employees, Officers And Directors [Member] Employees, Officers And Directors Property and equipment, net Property plant and equipment, net Property, Plant and Equipment, Net 2021 ESPP 2021 Employee Stock Purchase Plan Represents information relating to 2021 Employee Stock Purchase Plan. Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Inventory, Policy [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Rent expense Operating Lease, Rental Expense Total rental expense under operating leases. Japan JAPAN Federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Financial Instrument [Axis] Financial Instrument [Axis] Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Lease liabilities, short-term Finance Lease, Liability, Current Proceeds from issuance of debt Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Supplemental Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Income Tax Disclosure [Table] Income Tax Disclosure [Table] Disclosure of information pertaining to income taxes. 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Total deferred income tax provision Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Nontaxable or Nondeductible Items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Current deferred revenue Contract with Customer, Liability Lease liabilities, long-term Finance Lease, Liability, Noncurrent Number of equal debt tranches Debt Instrument, Number Of Tranches Debt Instrument, Number Of Tranches All Adjustments to Compensation All Adjustments to Compensation [Member] Maximum number of shares issuable upon exercise of stock option (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Issuable Upon Exercise Of Stock Option, Maximum Maximum number of shares issuable upon exercise of stock option under the share based payment arrangement plan. Amendment Flag Amendment Flag Shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Software Development Software Development [Member] Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Raw materials Inventory, Raw Materials, Net of Reserves Weighted-average discount rate - operating leases: Operating Lease, Weighted Average Discount Rate, Percent Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Weighted average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Provision for excess & obsolete inventory Inventory Write-down Schedule of Basic and Diluted Net Loss per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Common Stock Warrant Common Stock Warrant [Member] Common Stock Warrant Cost of revenue Cost of Revenue Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other income (expense): Nonoperating Income (Expense) [Abstract] Organization, Consolidation and Presentation of Financial Statements [Table] Organization, Consolidation and Presentation of Financial Statements [Table] Organization, Consolidation and Presentation of Financial Statements Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of estimates Use of Estimates, Policy [Policy Text Block] Operating cash outflows - payments on financing leases Finance Lease, Interest Payment on Liability Schedule of ESPP Black-Scholes Option-Pricing Model Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Insider Trading Arrangements [Line Items] Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Issuance of Class A common stock under the ATM offering, net Stock Issued During Period, Value, New Issues Depreciation Deferred Tax Liabilities, Depreciation Amount of deferred tax consequences attributable to taxable temporary differences derived from depreciation. Counterparty Name [Axis] Counterparty Name [Axis] Short-term investments Fair value Fair value of available-for-sale investments Debt Securities, Available-for-Sale Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]