Document and Entity Information [Abstract] Document Information [Table] Document Information [Line Items] Document Type Document Annual Report Document Period End Date Current Fiscal Year End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period ICFR Auditor Attestation Flag Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Auditor Name Auditor Firm ID Auditor Location Entity Central Index Key Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Balance Sheets [Abstract] Statement [Table] Statement [Line Items] Assets [Abstract] Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Inventory, Net Inventory Total inventory Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Other Assets, Noncurrent Other non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities [Abstract] Liabilities Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total accrued expenses The amount of warrant liability classified as current. Warrant Liability, Current Warrant liability Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Other Liabilities, Noncurrent Other long-term liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 10) Temporary Equity, Carrying Amount, Attributable to Parent Balances, Ending Balances, Beginning Convertible preferred stock, $0.01 par value, 10,000,000 and 237,370,645 authorized as of December 31, 2021 and December 31, 2020, respectively; 0 and 223,541,754 shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively Redeemable convertible preferred stock, Carrying Value Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity (deficit): Common Stock, Value, Issued Common stock, $0.01 par value, 200,000,000 and 625,217,795 authorized as of December 31, 2021 and December 31, 2020, respectively; 20,399,337 and 360,412 shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Balances, Ending Balances, Beginning Total stockholders' equity (deficit) Liabilities and Equity Total liabilities, convertible preferred stock, and stockholders' equity (deficit) Temporary Equity, Par or Stated Value Per Share Convertible preferred stock, par value (in dollars per share) Temporary equity share price (in dollars per share) Temporary Equity, Shares Authorized Convertible preferred stock, shares authorized Preferred stock authorized Temporary Equity, Shares Issued Convertible preferred stock, shares issued Preferred stock issued Temporary Equity, Shares Outstanding Balances, Ending (in shares) Balances, Beginning (in shares) Convertible preferred stock, shares outstanding Preferred stock outstanding Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Consolidated Statements of Operations [Abstract] Revenue from Contract with Customer, Excluding Assessed Tax Revenue Total revenues Cost of Revenue Cost of goods sold Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other expense, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before income taxes Income Tax Expense (Benefit) Provision for income taxes Total provision for income taxes Income tax expense Net Income (Loss) Attributable to Parent Net loss Net loss Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Cumulative translation adjustment Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Earnings Per Share, Basic Net loss per share, basic and diluted Net loss per share attributable to common stockholders - basic Weighted Average Number of Shares Outstanding, Basic Weighted-average common shares used to compute net loss per share, basic and diluted Weighted average common shares outstanding - basic Consolidated Statements of Shareholders' Equity [Abstract] Class of Stock [Axis] Class of Stock [Domain] Convertible preferred stock Convertible preferred stock Equity Components [Axis] Equity Component [Domain] Common stock Additional paid-in capital Accumulated deficit Accumulated and other comprehensive loss Increase (Decrease) in Temporary Equity [Roll Forward] Conversion of Temporary to Permanent Equity. Conversion of Temporary to Permanent Equity Conversion of Series G preferred stock Conversion of Temporary Equity, Shares, to Permanent Equity . Conversion of Temporary Equity, Shares, to Permanent Equity Conversion of Series G preferred stock (in shares) Temporary Equity, Stock Issued During Period, Value, New Issues Issuance of Series G preferred stock, net of costs The number of securities classified as temporary equity that have been issued during the period. Temporary Equity Issued During Period, Shares, New Issues Issuance of Series G preferred stock, net of costs (in shares) Temporary Equity, Accretion of issuance cost. Temporary Equity, Accretion of issuance cost Accretion of Series G issuance costs Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares, Outstanding Balances, Ending (in shares) Balances, Beginning (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised (in shares) Exercise of stock options (in shares) Stock Repurchased During Period, Value Repurchase of common stock Stock Repurchased During Period, Shares Repurchase of common stock (in shares) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Employee stock compensation Stock Issued During Period, Value, New Issues Issuance of common stock, net of offering costs Stock Issued During Period, Shares, New Issues Shares issued Issuance of common stock, net of offering costs (in shares) Adjustments to Additional Paid in Capital, Stock Split Reverse stock split Stock Issued During Period, Value, Conversion of Convertible Securities Conversion of Series G preferred stock Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of convertible preferred stock (in shares) Conversion of Series G preferred stock (in shares) Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Accretion of Series G issuance costs Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Cumulative translation adjustment Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Share-based Payment Arrangement, Noncash Expense Stock-based compensation Depreciation Depreciation of property and equipment Amortization of Debt Issuance Costs and Discounts Amortization of deferred financing costs and loan discount Gain (Loss) on Extinguishment of Debt Loss on debt extinguishment Prepayment and other fees, Fair Value Adjustment of Warrants Changes in fair value of convertible preferred stock warrants Increase (Decrease) in Operating Assets [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Stock Options Exercised Proceeds from the exercise of common stock options Proceeds from Other Equity Proceeds from issuance of Series G Preferred Stock, net of fees The cash outflow related to reverse stock split. Payments Related to Reverse Stock Split Payments related to reverse stock split Proceeds from Issuance of Common Stock Proceeds from the issuance of common stock, net of offering costs Repayments of Long-term Debt Repayment on debt financing Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of currency exchange on cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of year Supplemental Cash Flow Information [Abstract] Supplemental Information: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest Income Taxes Paid Cash paid for income taxes Business Organization [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Business organization Summary of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary of significant accounting policies Selected Balance Sheet Information [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Selected balance sheet information Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair value measurements Debt [Abstract] Debt Disclosure [Text Block] Debt Stockholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' equity Stock-Based Compensation [Abstract] Share-based Payment Arrangement [Text Block] Stock-Based Compensation Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income taxes Earnings Per Share [Abstract] Earnings Per Share [Text Block] (Loss) Earnings Per Share Commitments and Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and contingencies Employee Benefit Plans [Abstract] Compensation and Employee Benefit Plans [Text Block] Employee benefit plans Segment, Geographic Information and Revenue Disaggregation [Abstract] Segment Reporting Disclosure [Text Block] Segment, geographic information and revenue disaggregation Disclosure of accounting policy pertaining to basis of presentation and basis of consolidation. Basis of Presentation And Consolidation Policy [Policy Text Block] Statement presentation and basis of consolidation Disclosure of accounting policy pertaining to JOBS Act accounting election. JOBS Act Accounting Election [Policy Text Block] JOBS Act accounting election Use of Estimates, Policy [Policy Text Block] Use of estimates Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Accounts Receivable [Policy Text Block] Accounts Receivable Inventory, Policy [Policy Text Block] Inventory Revenue from Contract with Customer [Policy Text Block] Revenue recognition Share-based Payment Arrangement [Policy Text Block] Stock-Based Compensation New Accounting Pronouncements, Policy [Policy Text Block] Recent accounting pronouncements Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Property, Plant and Equipment [Table Text Block] Schedule of Property and Equipment, Net Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Liabilities Measured at Fair Value on a Recurring Basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value of the Company's Convertible Preferred Stock Warrants Temporary Equity [Table Text Block] Schedule of Convertible Preferred Stock Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Summary of Warrants to Purchase Shares Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Stock Option Activity Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Assumptions Used to Determine the Grant-Date Fair Value of Stock Options Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Recognized Stock-Based Compensation Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Components of Provision for Income Taxes Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of Taxes at the Federal Statutory Rate Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Components of Net Deferred Tax Assets Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Changes to Gross Unrecognized Tax Benefits Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Basic and Diluted Net Loss per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Future Minimum Lease Payments Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update [Axis] Accounting Standards Update [Domain] Cumulative Effect, Period of Adoption, Adjustment New Accounting Pronouncements or Change in Accounting Principle [Line Items] Operating Lease, Right-of-Use Asset Right-of-use assets Operating Lease, Liability lease liabilities Inventory, Raw Materials, Gross Raw material Inventory, Work in Process, Gross Work-in-process Inventory, Finished Goods, Gross Finished goods Property, Plant and Equipment [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Domain] Office furniture and equipment Represents information pertaining to lab equipment. Lab equipment Represents information pertaining to computer equipment and software. Computer equipment and software Leasehold improvements Capital equipment in process Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Property and equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation and amortization Carrying value as of the balance sheet date of obligations and payables relating to clinical trial and other professional fees. Clinical Trial and Other Professional Fees Clinical trial and other professional fees Accrued Bonuses, Current Bonuses Carrying value as of the balance sheet date of paid time off. Accrued Paid Time Off Paid time off Amount of accrued liability relating customer rebate classified as current. Accrued Liabilities, Customer Rebate Current Customer rebates Accrued Income Taxes, Current Taxes Interest Payable, Current Interest payable Other Accrued Liabilities, Current Other Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Represents information relating to warrants to purchase series G preferred shares. Warrants to Purchase Series G Preferred Shares [Member] Warrants to Purchase Series G Preferred Shares Represents information pertaining to warrants to purchase common stock. Warrants to purchase common stock Counterparty Name [Axis] Counterparty Name [Domain] Represents information pertaining to Biosense Webster, Inc. Biosense Webster, Inc. Conversion of Stock, Shares Converted Number of common shares converted from warrants Class of Warrant or Right, Exercise Price of Warrants or Rights Warrants Outstanding, Weighted average exercise price Warrants Outstanding, Weighted Average Exercise Price Warrant exercise price Exercise price Warrants and Rights Outstanding, Term Warrant outstanding term Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Transfer from level 1 to 2 Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Transfer from level 2 to level 1 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Transfer into level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Transfer out of level 3 Fair Value, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Domain] Recurring Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Level 1 Level 2 Level 3 Financial Instrument [Axis] Financial Instruments [Domain] Represents information pertaining to convertible preferred stock warrant liability. Convertible Preferred Stock Warrant Liability [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Financial Liabilities Fair Value Disclosure [Abstract] Liabilities: Financial Liabilities Fair Value Disclosure Total liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value End of the period Beginning of the period Amount of changes in fair value of liability measured at fair value on recurring basis using unobservable input (level 3). Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Changes in Fair Value Change in fair value Amount of conversions of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Conversions Conversion to common stock warrants Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Represents information pertaining to loan and security agreement. Loan and Security Agreement [Member] Variable Rate [Axis] Variable Rate [Domain] LIBOR [Member] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Represents information pertaining to Horizon Technology Finance Corporation. Horizon Technology Finance Corporation [Member] Income Statement Location [Axis] Income Statement Location [Domain] Other expense, net Debt Instrument [Line Items] Debt Instrument, Maximum Borrowing Capacity Maximum borrowing capacity Debt Instrument, Basis Spread on Variable Rate Interest rate (as a percent) The percentage of threshold interest rate on the first business day of the month. Threshold Interest Rate on First Business Day of Month Interest rate on first business day of month (as a percent) Debt Instrument, Term Term (in months) The amount of final payment of debt instrument. Debt Instrument, Final Payment Final payment The percentage of final payment on original principal. Debt Instrument, Percentage of Final Payment on Original Principal Percentage of final payment on original principal The amount of minimum cash on deposit requirement. Debt Instrument, Minimum Cash on Deposit Requirement Minimum cash on deposit requirement Debt Issuance Costs, Gross Debt issuance costs and discounts The amount of legal fees and an investment bank fee. Legal Fees and Investment Bank Fee Legal fees and an investment bank fee The amount of issuance costs of warrants. Issuance Costs of Warrants Issuance costs of warrants Payment for Debt Extinguishment or Debt Prepayment Cost Total debt extinguishment cost Long-term Debt Long-term debt Temporary Equity, by Class of Stock [Table] Represents the information pertaining to SeriesG Preferred Stock. Series G Preferred Shares Sale of Stock [Axis] Sale of Stock [Domain] IPO Underwriters option Scenario [Axis] Scenario [Domain] Represents the information pertaining to operational milestone closing. Operational milestone closing Temporary Equity [Line Items] Shares issued of new stock classified as temporary equity issued during the period. Temporary Equity Stock Issued During Period Shares New Issues Shares issued Proceeds from Issuance of Redeemable Convertible Preferred Stock Shares Issued, Price Per Share Share price Payments of Stock Issuance Costs Payment of stock issuance costs Sale of Stock, Consideration Received on Transaction Net proceeds Preferred stock warrants converted to common stock warrants at IPO. Preferred stock warrants converted to common stock warrants at Initial Public Offering Preferred stock warrants converted to common stock warrants at IPO Preferred stock warrants converted to common stock warrants at IPO, weighted average exercise price. Preferred Stock Warrants Converted To Common Stock Warrants At Initial Public Offering Weighted Average Exercise Price Preferred stock warrants converted to common stock warrants at IPO, Weighted Average Exercise Price Preferred Stock, Convertible, Conversion Ratio Conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split Class of Warrant or Right, Number of Securities Called by Warrants or Rights Warrants to purchase shares Represents the information pertaining to Series A2 Preferred Stock. Series A2 Preferred Shares Represents the information pertaining to Series B2 Preferred Stock. Series B2 Preferred Shares Represents the information pertaining to Series C2 preferred stock. Series C2 Preferred Shares Represents the information pertaining to Series D2 Preferred Stock. Series D2 Preferred Shares Represents the information pertaining to Series E2 Preferred Stock. Series E2 Preferred Shares Represents the information pertaining to Series F2 Preferred Stock. Series F2 Preferred Shares Temporary Equity, Liquidation Preference Aggregate Liquidation Preference Class of Warrant or Right [Table] Class of Warrant or Right [Line Items] Class of Warrant or Right, Outstanding Common Stock Warrants, Outstanding Common Stock Warrants, Outstanding Shares of stock issued as a result of the exercise of warrants. Stock Issued During Period Shares Warrants Exercised Exercised Exercise price per share or per unit of warrants or rights outstanding, weighted average exercise price per share. Class of Warrants or Rights Exercised, Weighted Average Exercise Price Exercised, Weighted Average Exercise Price Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Domain] Options to purchase common stock Represents the information pertaining to stock options with early exercise option. Stock options with early exercise option Plan Name [Axis] Plan Name [Domain] Represents information pertaining to Stock incentive plan 2001. 2001 Plan Represents information relating to employee stock purchase plan. ESSP ESPP Represents information relating to two thousand twenty one equity plan. 2021 2021 Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Common Stock, Capital Shares Reserved for Future Issuance Reserved for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Number of shares available for grant Term of award in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Share-based Compensation Arrangement by Share-based Payment Award, Award Term Share based payment award, term Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting Period Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares issued/purchased under ESPP Percentage of automatic annual increase in shares reserved for issuance. Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Reserved For Issuance Automatic Incremental Annual Percentage Annual incremental percentage Minimum percentage at which the shares are permitted to be purchased under the shares based arrangement. Share-based Compensation Arrangement by Share-based Payment Award, Share Price Permitted To be Purchased, Minimum Percentage Percentage Minimum Percentage Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Balance as of End of period (in shares) Outstanding as of Beginning of period (in shares) Stock options outstanding Share-based Payment Arrangement, Expense Stock-based compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield The amount of liability recorded for the early exercise of stock options. Liability Recorded for Early Exercise of Stock Options Liability recorded Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Cancelled / Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options exercisable as of December 31, 2021 (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Balance as of End of period (in dollars per share) Outstanding as of Beginning of period (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Cancelled / Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options exercisable as of December 31, 2021 (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Options exercisable as of December 31, 2020 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual term, outstanding (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted average remaining contractual life, exercisable (in years) Title of Individual [Axis] Title of Individual [Domain] Represents the information pertaining to non officer employees. Non officer employees Represents the information pertaining to officer employees. Officer employees Minimum Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average fair value of options granted Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility, Minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected volatility, Maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, Minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate, Maximum Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Selling, general & administrative Research & development Cost of goods sold Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Weighted average period Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Domain] Federal Federal State Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards Operating loss carryforwards Tax Credit Carryforward, Amount Tax credit carryforwards Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Current Federal, State and Local, Tax Expense (Benefit) Provision for income taxes, federal and state Current Foreign Tax Expense (Benefit) Provision for income taxes, foreign Current Income Tax Expense (Benefit) Provision for income taxes, total current Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Tax at federal statutory rate Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the permanent differences Effective Income Tax Rate Reconciliation, Permanent Differences, Percent Permanent differences Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Research and development ("R&D") tax credit Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying uncertain tax positions Effective Income Tax Rate Reconciliation, Uncertain Tax Position, Percent Uncertain tax position Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State, net of federal benefit Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Deferred rate change Change in valuation allowance Change in valuation allowance Effective Income Tax Rate Reconciliation, Percent Total Deferred Tax Assets, Operating Loss Carryforwards Net operating loss carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research R&D tax credits Amount after allocation of valuation allowances of deferred tax asset attributable to Internal Revenue Code 59E election. Deferred Tax Assets Internal Revenue Code 59 E election IRC Section 59e election Deferred Tax Assets Start Up Costs. Deferred Tax Assets Start Up Costs Start-up costs Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Non-qualified stock options Deferred Tax Assets, Property, Plant and Equipment Property and equipment Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Compensated Absences Accrued vacation Deferred Tax Assets, Derivative Instruments Preferred stock warrants Deferred Tax Assets, Other Other Deferred Tax Assets, Gross Total deferred tax assets Deferred Tax Assets, Valuation Allowance Valuation allowance Deferred Tax Assets, Net of Valuation Allowance Net deferred tax assets Unrecognized Tax Benefits Gross unrecognized tax benefits at end of year Gross unrecognized tax benefits at beginning of year Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross increases: Prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Gross increases: Current year tax positions Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Gross decreases: Prior year tax positions Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Numerator: Preferred Stock, Accretion of Redemption Discount Accretion of preferred stock to redemption value Net Income (Loss) Available to Common Stockholders, Basic Net loss attributable to common stockholders Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Denominator: Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Warrants to purchase redeemable convertible preferred stock (as converted to common stock) Redeemable convertible preferred stock (as converted to common stock) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Excluded potential common shares from the computation of diluted net loss per share Operating Lease, Expense Rent expense Contractual Obligation Contingent liabilities accrual amount Lessee, Operating Lease, Liability, Payment, Due [Abstract] Future minimum lease payments Lessee, Operating Lease, Liability, to be Paid, Year One December 31, 2022 Lessee, Operating Lease, Liability, to be Paid, Year Two December 31, 2023 Lessee, Operating Lease, Liability, to be Paid, Year Three December 31, 2024 Lessee, Operating Lease, Liability, to be Paid Total Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Domain] U.S. Germany Represents the information pertaining to other countries. Other countries Segment Reporting Information [Line Items] Number of Operating Segments Number of segments