Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement Statistical Measurement [Domain] Realized gain on investments Realized Investment Gains (Losses) Settled Litigation Settled Litigation [Member] Award Timing Predetermined Award Timing Predetermined [Flag] 2026 (remaining nine months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Period increase in shares authorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized, Period Increase, Percent Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized, Period Increase, Percent Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Denominator: Earnings Per Share, Basic [Abstract] Recently Issued Accounting Pronouncements, Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Supply Commitment Supply Commitment [Axis] Clinical Supply Agreements Clinical Supply Agreement [Member] Clinical supply agreement. Accounts payable Increase (Decrease) in Accounts Payable Interest and other income, net Interest Income (Expense), Nonoperating Shares of restricted stock awards surrendered for taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Gross Unrealized (Losses) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in usd per share) Net income per common share - basic (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial paper Commercial Paper [Member] Product Revenue, Accounts Receivable and Reserves for Product Sales Revenue from Contract with Customer [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Vesting of restricted stock units, net of shares withheld for taxes (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Accrued payroll and benefits Accrued Payroll And Benefits Accrued payroll and benefits. 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Deferred tax asset, net of valuation allowance Deferred Income Tax Assets, Net Other non-current assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Customer B Customer B [Member] Customer B 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] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] 2017 IPO Stock Plan 2017 IPO Stock Plan [Member] 2017 IPO Stock Plan Computer equipment and software Computer Equipment [Member] Segments [Axis] Segments [Axis] 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 Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Europe Europe [Member] Other, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Depreciation expense capitalized Depreciation Expense Capitalized Depreciation Expense Capitalized Underlying Security Market Price Change Underlying Security Market Price Change, Percent Balance Sheet Location Statement of Financial Position Location, Balance [Axis] KB801 KB801 [Member] KB801 KB408 KB408 [Member] KB408 Forfeited/ surrendered for taxes (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Instruments Fair Value Disclosures [Text Block] Stockholders’ equity Equity, Attributable to Parent [Abstract] 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] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Prompt Pay Prompt Pay [Member] Prompt Pay Daniel Janney [Member] Daniel Janney 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 Shares of restricted stock awards surrendered for taxes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Lease liability Operating Lease, Liability, Noncurrent Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Accrued taxes Accrued Income Taxes Customer A Customer A [Member] Customer A KB407 KB407 [Member] KB407 Dilutive effect of stock options and unvested restricted stock (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchases of investments Payments to Acquire Investments Title of Individual Title and Position [Domain] Forfeited/surrendered for taxes (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document Quarterly Report Document Quarterly Report Investment Company, Capital Share Transactions [Abstract] Investment Company, Capital Share Transaction, Increase (Decrease) [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of operating segment Number of Operating Segments 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted-average remaining contractual life (Years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Manufacturing equipment Machinery and Equipment [Member] Granted (in usd 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Aggregate intrinsic value, beginning balance, outstanding Aggregate intrinsic value, ending balance, outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Accrued rebates Accrued Rebates, Current Accrued Rebates, Current Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] 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 Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Changes in Allowances and Discounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Beginning balance (in usd per share) Ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive (loss) gain Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Segments [Domain] Segments [Domain] Income Statement Location Statement of Income Location, Balance [Axis] Performance Shares Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Balance Sheet Location Statement of Financial Position Location, Balance [Domain] Inventory Increase (Decrease) in Inventories Statement of Financial Position Location, Activity, Capitalization [Domain] Statement of Financial Position Location, Activity, Capitalization [Domain] Inventory Inventory Inventory, Net Accounts Receivable, Allowance For Credit Loss [Line Items] Accounts Receivable, Allowance For Credit Loss [Line Items] Accounts Receivable, Allowance For Credit Loss [Line Items] Accrued legal settlement Increase (Decrease) Accrued Legal Settlement And In-Process Research And Development Increase (Decrease) Accrued Legal Settlement And In-Process Research And Development Supply Commitment Arrangement Supply Commitment Arrangement [Domain] Minimum Minimum [Member] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Accounts Receivable, Allowance For Credit Loss [Roll Forward] Accounts Receivable, Allowance For Credit Loss [Roll Forward] Accounts Receivable, Allowance For Credit Loss All Executive Categories All Executive Categories [Member] Finished goods Inventory, Finished Goods, Net of Reserves Common stock; $0.00001 par value; 80,000 shares authorized as of March 31, 2026 and December 31, 2025; 29,437 and 29,192 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively. Common Stock, Value, Issued Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Cost of goods sold Cost Of Goods And Services Sold, Operating Cost Of Goods And Services Sold, Operating Title of Individual Title and Position [Axis] Diluted (in shares) Weighted-average diluted common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (see note 7) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Schedule of Product Revenue by Region Revenue from External Customers by Geographic Areas [Table Text Block] Income Tax Disclosure [Abstract] Document Transition Report Document Transition Report Short-term Marketable Securities Short-Term Investments [Member] Schedules of Concentration of Risk, by Risk Factor Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Concentration Risk [Line Items] Concentration Risk [Line Items] Equity Component Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents Cash and Cash Equivalents [Domain] Cancelled or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Income Taxes Income Tax Disclosure [Text Block] Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Weighted-average remaining contractual life (Years), exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Document Type Document Type Net Income Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Accrued expenses and other current liabilities Accounts Payable and Other Accrued Liabilities, Current Variable lease expense Variable Lease, Cost Product revenue, net Revenue from Contract with Customer, Excluding Assessed Tax Litigation Status [Domain] Litigation Status [Domain] All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Cancelled or forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Taxes paid for employee tax withholding related to restricted stock units and Taxes paid related to settlement of restricted stock awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Debt securities, available-for-sale, term Debt Securities, Available-for-Sale, Term Current liabilities Liabilities, Current [Abstract] Weighted-Average Remaining Contractual Life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Geographical [Axis] Geographical [Axis] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1: Fair Value, Inputs, Level 1 [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Diluted (in usd per share) Net income per common share - diluted (in usd per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Net income per common share: Earnings Per Share [Abstract] Organization Business Description and Basis of Presentation [Text Block] Short-term investments Debt Securities, Available-for-Sale, Current Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Corporate bonds Corporate Bond Securities [Member] Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price KB707 KB707 [Member] KB707 Future minimum operating lease payments Lessee, Operating Lease, Liability, to be Paid Unrealized (loss) gain on available-for-sale securities Unrealized (loss) gain on investments OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Net income Net income Net income Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Construction in progress Construction in Progress [Member] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Other research and development costs Other Research And Development Cost [Member] Other Research And Development Cost Income from operations Operating Income (Loss) Japan JAPAN Retained earnings Retained Earnings (Accumulated Deficit) Long-term Marketable Securities Long Term Marketable Securities [Member] Long-term marketable securities. Accounts Receivable, Allowance Segment [Domain] Accounts Receivable, Allowance Segment [Domain] Accounts Receivable, Allowance Segment [Domain] Financial Instrument [Axis] Financial Instrument [Axis] Adjustments to reconcile net income to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] 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] Shares remaining available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Project management service fee Professional Fees Statement [Table] Statement [Table] Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Weighted-average grant-date fair value per share of options granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Cash and cash equivalents Cash [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] KB111 KB111 [Member] KB111 B-VEC B-VEC [Member] B-VEC Common share equivalents outstanding, excluded from the calculation of diluted net loss per common share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Shares reserved (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Raw materials Inventory, Raw Materials, Net of Reserves Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Amortized Cost Cash Cash Equivalents And Debt Securities Available For Sale Amortized Cost Cash cash equivalents and debt securities available for sale amortized cost. Property, Plant and Equipment, Type Long-Lived Tangible Asset [Domain] Vesting of restricted stock units, net of shares withheld for taxes Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Basic (in shares) Weighted-average basic common shares (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] Reportable Segment Reportable Segment [Member] Reportable Segment Schedule of Net Income Per Share Attributable to Common Stockholders Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Director Director [Member] Exercisable end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Other income Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Payments/Credits Accounts Receivable, Allowance for Credit Loss, Writeoff Beginning balance (in usd per share) Ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Accrued construction in progress Accrued Construction In Progress Current Accrued construction in progress current. Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value Use of Estimates Use of Estimates, Policy [Policy Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Schedule of Cash, Cash Equivalents and Available-for-Sale Securities Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Total liabilities Liabilities Cash and Cash Equivalents Cash and Cash Equivalents [Axis] Unpaid purchases of property and equipment Capital Expenditures Incurred but Not yet Paid Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Laboratory equipment Lab Equipment [Member] Lab equipment. Loss Contingency, Corporate Governance Reform, Period Loss Contingency, Corporate Governance Reform, Period Loss Contingency, Corporate Governance Reform, Period Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Aggregate Fair Value Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued professional fees Accrued Professional Fees, Current Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain]