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Equipment [Member] Sales and marketing Selling and Marketing Expense Changes in Valuation Allowance Income Taxes Valuation Allowance [Roll Forward] Income Taxes Valuation Allowance [Roll Forward] Solar Loan And Security Agreement Solar Loan And Security Agreement [Member] Solar Loan And Security Agreement Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Indemnification Agreement Indemnification Agreement [Member] Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Principal repayments of debt financing Repayments of Long-term Debt Schedule of Options by Range of Exercise Price Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Aggregate intrinsic value, options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Stock-based compensation expense Share-based Payment Arrangement, Expense Balance at beginning of the year Balance at end of the year Unrecognized Tax Benefits Balance Sheet Location [Axis] Balance Sheet Location [Axis] Issuance of common stock related to employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Pharmakon Term Loan Pharmakon Term Loan [Member] Pharmakon Term Loan [Member] Common stock, $0.0001 par value; 100,000,000 shares authorized; 32,583,220 and 25,163,803 shares issued and outstanding, respectively Common Stock, Value, Issued Document Fiscal Year Focus Document Fiscal Year Focus Document Annual Report Document Annual Report Commercial paper Commercial Paper [Member] Current portion of long-term borrowings Long-term Debt, Current Maturities Entity Current Reporting Status Entity Current Reporting Status Public offering price (in dollars per share) Sale of Stock, Price Per Share Effective interest rate during the period (percent) Debt Instrument, Interest Rate During Period Retirement Benefits [Abstract] Retirement Benefits [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Net Loss per Share of Common Stock Earnings Per Share, Policy [Policy Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Costs accrued to defend lawsuits Estimated Litigation Liability $3.70-$4.41 Options Tranche Two [Member] Options Tranche Two [Member] Options outstanding, number of shares (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Unrealized Gains Available For Sale Debt Securities, Current, Accumulated Gross Unrealized Gain Before Tax Available For Sale Debt Securities, Current, Accumulated Gross Unrealized Gain Before Tax Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Prepayment premium in year one (percent) Debt Instrument Prepayment Premium Year One Percentage Debt Instrument Prepayment Premium Year One Percentage Long-term borrowings Long-term Debt, Excluding Current Maturities Early exercise of stock options, share subject to repurchase (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Early Exercise, Common Stock Subject To Repurchase Share-based Compensation Arrangement by Share-based Payment Award, Options, Early Exercise, Common Stock Subject To Repurchase Accounts receivable Increase (Decrease) in Accounts Receivable Debt Instrument [Line Items] Debt Instrument [Line Items] TOTAL STOCKHOLDERS’ EQUITY Stockholders' equity, beginning balance Stockholders' equity, ending balance Stockholders' Equity Attributable to Parent Total marketable securities, Amortized Cost Marketable Securities, Amortized Cost Total amortized cost for marketable securities included in cash equivalents and investments. The Company and Nature of Business Nature of Operations [Text Block] Payments of initial public offering costs Payments of Stock Issuance Costs Rent expense Operating Leases, Rent Expense, Net TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Accrued compensation and related expenses for employee payroll deductions Other Employee-related Liabilities, Current Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Accrued compensation and related expenses Employee-related Liabilities, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Restricted Stock Units Restricted stock units Restricted Stock Units (RSUs) [Member] Sales of marketable securities Proceeds From Sale Of Marketable Securities Proceeds From Sale Of Marketable Securities Warrants Warrants, Classified As Equity And Liabilities [Policy Text Block] Warrants, Classified As Equity And Liabilities [Policy Text Block] General and administrative General and Administrative Expense Financial Instrument [Axis] Financial Instrument [Axis] Common stock equivalents excluded from the computation of diluted net loss per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2024 Operating Leases, Future Minimum Payments, Due in Four Years $20.52-$22.00 Options Tranche Five [Member] Options Tranche Five [Member] Schedule of Marketable Securities Marketable Securities [Table Text Block] Entity Ex Transition Period Entity Ex Transition Period Loss on sale and disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Increases related to current year's tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Recognition of unamortized debt discount and issuance costs on debt extinguishment Write Off Of Deferred Debt Issuance Cost And Debt Discount Write Off Of Deferred Debt Issuance Cost And Debt Discount Equity Component [Domain] Equity Component [Domain] Cash and marketable securities Cash, Cash Equivalents, and Short-term Investments Statutory damages sought per violation of TCPA Litigation, Statutory Damages Per Violation Of TCPA [Member] Litigation, Statutory Damages Per Violation Of TCPA [Member] Less: Valuation allowance Valuation allowance, beginning balance Valuation allowance, ending balance Deferred Tax Assets, Valuation Allowance Gross profit Gross Profit Percentage of ownership of outstanding shares for alternate terms Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Ownership Of Outstanding Shares Threshold For Alternate Terms Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Ownership Of Outstanding Shares Threshold For Alternate Terms Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Construction in progress Construction in Progress [Member] Entity Tax Identification Number Entity Tax Identification Number Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Unrealized Losses Available For Sale Debt Securities, Current, Accumulated Gross Unrealized Loss Before Tax Available For Sale Debt Securities, Current, Accumulated Gross Unrealized Loss Before Tax Stock-Based Compensation Share-based Payment Arrangement [Text Block] Net loss Net loss Net Income (Loss) Attributable to Parent Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Total marketable securities, Unrealized Gains Marketable Securities, Accumulated Gross Unrealized Gain, Before Tax Marketable Securities, Accumulated Gross Unrealized Gain, Before Tax Short-term investments Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] Issuance of common stock upon vesting of restricted stock units Stock Issued During Period Amount Restricted Stock Units Stock Issued During Period Amount Restricted Stock Units Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total current assets Assets, Current Current Fiscal Year End Date Current Fiscal Year End Date Term of product royalty sales period (in years) Related Party Transaction, Term Of Agreement Related Party Transaction, Term Of Agreement Operating expenses: Operating Expenses [Abstract] Net operating loss carryforwards Operating Loss Carryforwards Earnings Per Share [Abstract] Earnings Per Share [Abstract] Total marketable securities, Unrealized Losses Marketable Securities, Accumulated Gross Unrealized Loss, Before Tax Marketable Securities, Accumulated Gross Unrealized Loss, Before Tax Prepayment premium in year three or later (percent) Debt Instrument Prepayment Premium Year Three Or Later Percentage Debt Instrument Prepayment Premium Year Three Or Later Percentage Schedule of Deferred Tax Assets Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] State tax, net of federal benefit (percent) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent STOCKHOLDERS’ EQUITY Stockholders' Equity Attributable to Parent [Abstract] Number of Shares Underlying Warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Cash and cash equivalents at Cash and Cash Equivalents [Abstract] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Document Fiscal Period Focus Document Fiscal Period Focus Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] ESPP Purchase Rights ESPP Purchase Rights [Member] ESPP Purchase Rights [Member] Stock option term when grantee holds more than 10% of shares outstanding (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Expiration Period For Individual Owning More Than Ten Percent Of Outstanding Shares Share-Based Compensation Arrangement By Share-Based Payment Award, Expiration Period For Individual Owning More Than 10% Of Outstanding Shares Reversal of accrued litigation expense Gain (Loss) Related to Litigation Settlement Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Effective Income Tax Rate Reconciliation Effective Income Tax Rate Reconciliation, Percent [Abstract] Issuance of common stock related to employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Entity Filer Category Entity Filer Category Schedule of Stock-Based Compensation Expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Issuance of common stock upon vesting of restricted stock units (in shares) Stock Issued During Period Shares Restricted Stock Units Stock Issued During Period Shares Restricted Stock Units Common Stock Common Stock [Member] Property, Plant and Equipment [Line Items] Property and Equipment, Net Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Foreign rate differences (percent) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Risk-free interest rate, maximum (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum $4.42-$5.31 Options Tranche Three [Member] Options Tranche Three [Member] Schedule of Property and Equipment Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Term Loan Secured Debt [Member] Aggregate Future Minimum Lease Payments Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] U.S. treasury securities US Treasury Securities [Member] Vesting of early exercised stock options Adjustments To Additional Paid In Capital, Share-Based Compensation, Vesting Of Early Exercised Stock Options Adjustments to Additional Paid in Capital, Share-based Compensation, Vesting Of Early Exercised Stock Options Issuance of common stock from public offerings, net of underwriting discounts, commissions and offering costs (in shares) Stock Issued During Period, Shares, New Issues Leasehold improvements Leasehold Improvements [Member] Secondary offering by selling shareholders Secondary Offering [Member] Secondary Offering [Member] Fixed interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage Money market funds Money Market Funds [Member] Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Common Stock Common Class A [Member] Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Aggregate intrinsic value, options vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Nonqualified Stock Options Nonqualified Stock Option [Member] Nonqualified Stock Option [Member] Supplemental disclosure of non-cash information Noncash Investing and Financing Items [Abstract] Issuance of common stock upon exercise of stock options, net of shares withheld (in shares) Options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Related Party Transactions [Abstract] Incremental interest rate increase upon default of minimum liquidity covenant (percent) Debt Instrument Interest Rate Incremental Increase Upon Default Of Covenant Debt Instrument Interest Rate Incremental Increase Upon Default Of Covenant Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Long-term investments Debt Securities, Available For Sale, Noncurrent [Abstract] Debt Securities, Available For Sale, Noncurrent [Abstract] Stock Options Stock options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] $0.84-$3.69 Options Tranche One [Member] Options Tranche One [Member] Basis spread on variable rate (percent) Debt Instrument, Basis Spread on Variable Rate Sale of Stock [Domain] Sale of Stock [Domain] State Deferred State and Local Income Tax Expense (Benefit) 2025 Long-Term Debt, Maturity, Year Five Schedule of Aggregate Future Minimum Lease Payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Plan Name [Domain] Plan Name [Domain] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Expected volatility, maximum (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Additional paid-in capital Additional Paid in Capital Revenue Revenues Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] 2023 Operating Leases, Future Minimum Payments, Due in Three Years Inventory Inventory, Policy [Policy Text Block] 2025 Operating Leases, Future Minimum Payments, Due in Five Years Cash equivalents Cash Equivalents, at Carrying Value [Abstract] Common Stock Warrants Common stock warrants Common Stock Warrants [Member] Common Stock Warrants [Member] Beginning of year End of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Employer contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Schedule of Annual Future Minimum Principal Payments Under Loan Agreements Schedule of Maturities of Long-term Debt [Table Text Block] Purchases of marketable securities Payments to Acquire Marketable Securities Accrued liabilities and other Accrued liabilities and other Accrued Liabilities, Current 2022 Operating Leases, Future Minimum Payments, Due in Two Years Local Phone Number Local Phone Number Schedule of Uncertain Income Tax Positions Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Aggregate intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Exercise price, upper limit (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Principal outstanding and final fee Total principal and final fee payments Long-term Debt, Gross Schedule of Outstanding Borrowings Schedule of Long-term Debt Instruments [Table Text Block] Depreciation expense Depreciation Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Related Party Transaction [Domain] Related Party Transaction [Domain] Entity Emerging Growth Company Entity Emerging Growth Company Issuance of common stock upon exercise of stock options, net of shares withheld Stock Issued During Period, Value, Stock Options Exercised Shares subject to repurchase Share Subject To Repurchase [Member] Share Subject To Repurchase [Member] Total deferred income taxes Deferred Income Tax Expense (Benefit) PPP Loan, CARES Act Payroll Protection Program Loan, CARES Act [Member] Payroll Protection Program Loan, CARES Act Award Type [Axis] Award Type [Axis] Weighted- Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Maximum Maximum [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Accumulated Deficit Retained Earnings [Member] Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding Total income tax expense (percent) Effective Income Tax Rate Reconciliation, Percent Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Weighted-Average Remaining Contractual Life and Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted-average remaining contractual life, options outstanding (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Domain] Award Type [Domain] Corporate bonds Corporate Debt Securities [Member] Trading Symbol Trading Symbol Research and development credits Deferred Tax Assets, in Process Research and Development Realized gain on marketable securities Marketable Securities, Realized Gain (Loss) Allocated public offering costs Allocated Public Offering Costs Allocated Public Offering Costs Summary of Changes in Valuation Allowance Summary of Valuation Allowance [Table Text Block] Net Loss Per Share of Common Stock Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Prepayment Penalty, 49-60 Months Prepayment Penalty, 49-60 Months [Member] Prepayment Penalty, 49-60 Months [Member] CURRENT LIABILITIES Liabilities, Current [Abstract] Tax at statutory federal rate (percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Treble damages sought per violation of TCPA Litigation, Treble Damages Per Violation Of TCPA [Member] Litigation, Treble Damages Per Violation Of TCPA [Member] Entity Shell Company Entity Shell Company Recurring Fair Value, Recurring [Member] Options vested and expected to vest (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Segments Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Entity Public Float Entity Public Float Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]