Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Current Fiscal Year End Date Current Fiscal Year End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One 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 Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Condensed Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Assets Current [Abstract] Current assets: Cash And Cash Equivalents At Carrying Value Cash and cash equivalents Accounts Receivable Net Current Accounts receivable 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 Finite-Lived Intangible Assets, Net Intangible assets, net Intangible assets, net Goodwill Goodwill Operating Lease, Right-of-Use Asset Right-of-use assets Other Assets Noncurrent Other assets Assets Total assets Liabilities and Stockholders’ Equity LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Current [Abstract] Current liabilities: Accounts Payable Current Accounts payable Accrued Liabilities, Current Accrued expenses Accrued expenses Contract with Customer, Liability, Current Deferred revenue Operating Lease, Liability, Current Lease liability, current Current operating lease liabilities Notes Payable, Current Note payable, current Liabilities Current Total current liabilities Operating Lease, Liability, Noncurrent Lease liability, less current portion Non-current operating lease liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 8) Stockholders Equity [Abstract] Stockholders' equity: Preferred Stock Value Preferred stock, $0.001 par value; authorized – 50,000 shares; no shares issued and outstanding Common Stock, Value, Issued Common stock, $0.001 par value: authorized – 500,000 shares; issued and outstanding – 29,802 shares and 29,716 shares at March 31, 2022 and December 31, 2021, respectively Additional Paid in Capital, Common Stock Additional paid-in-capital Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Retained Earnings Accumulated Deficit Accumulated deficit Stockholders Equity Balance Balance Total stockholders' equity Liabilities And Stockholders Equity Total liabilities and stockholders' equity Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Preferred Stock Shares Authorized Preferred stock, shares authorized Preferred Stock Shares Issued Preferred stock, shares issued Preferred Stock Shares Outstanding Preferred stock, shares outstanding Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Balance, shares Balance, shares Common stock, shares outstanding Condensed Consolidated Statements Of Operations And Comprehensive Loss [Abstract] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Product [Member] Product [Member] Revenues [Abstract] Revenues: Fees and Commissions Revenues Consolidated revenue Costs and Expenses [Abstract] Cost and expenses: Cost of Revenue Cost of revenues Research And Development Expense Research and development expense Research and development Marketing and Advertising Expense Sales and marketing General and Administrative Expense General and administrative Costs and Expenses Total costs and expenses Operating Income Loss Loss from operations Interest Income (Expense), Net [Abstract] Other income (expense): Interest Income (Expense), Nonoperating, Net Interest income (expense), net Nonoperating Income (Expense) Total other income (expense) Net Income Loss Net loss Net loss Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive gain (loss): Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized gain (loss) on available-for-sale securities Unrealized gain on available-for-sale securities Comprehensive Income Net Of Tax Comprehensive loss Earnings Per Share Basic And Diluted [Abstract] Net loss per share: Earnings Per Share Basic And Diluted Basic and diluted net loss per share Weighted Average Number Of Share Outstanding Basic And Diluted Weighted average shares used to compute net loss per common share - basic and diluted Condensed Consolidated Statements Of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities: 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: Depreciation Depreciation Depreciation expense Amortization of Intangible Assets Amortization of intangible assets Share Based Compensation Stock-based compensation Investment Income, Net, Amortization of Discount and Premium Net premium amortization and discount on available-for-sale securities Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other current assets Increase (Decrease) in Other Receivables Other receivables Noncash Adjustment Right-of-use Assets Noncash Adjustment Right-of-use Assets Right-of-use assets Increase Decrease In Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Noncash Adjustment Lease Liabilities Noncash Adjustment Lease Liabilities Lease liabilities Increase (Decrease) in Interest Payable, Net Accrued interest on note payable Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities 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 Purchases of property and equipment Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Maturities of investments Net Cash Provided By Used In Investing Activities Net cash provided by (used in) investing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Stock Plans Proceeds from issuance of common stock under employee stock purchase plan Proceeds from Warrant Exercises Proceeds from exercises of warrants Proceeds from Stock Options Exercised Proceeds from exercises of stock options Proceeds From Issuance Of Common Stock Proceeds from issuance of common stock Proceeds From Issuance Of Debt Proceeds from issuance of related party note Repayments of Debt Payments made on insurance loan agreement Net Cash Provided By Used In Financing Activities Net cash provided by (used in) financing activities Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Supplemental disclosure of noncash investing and financing activities: Increase (Decrease) In Equipment Purchases Included In Accounts Payable And Accrued Expenses Increase (Decrease) In Equipment Purchases Included In Accounts Payable And Accrued Expenses Equipment purchases included in accounts payable and accrued expenses Debt Securities, Available-for-sale, Unrealized Gain (Loss) Change in unrealized gains on available-for-sale securities Stock Issued Other receivable from issuance of common stock from at-the-market equity offering Condensed Consolidated Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Retained Earnings [Member] Accumulated Deficit [Member] Stock Issued During Period, Value, Stock Options Exercised Issuance of shares upon exercise of stock options Stock Issued During Period Shares Stock Options Exercised Options exercised, Number of shares Warrants exercised Issuance of shares upon exercise of stock options, shares Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of shares under employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of shares under employee stock purchase plan, shares Stock Issued During Period, Value, Conversion of Convertible Securities Issuance of shares upon exercise of warrants Stock Issued During Period, Shares, Conversion of Convertible Securities Issuance of shares upon exercise of warrants, shares Stock Issued During Period, Value, New Issues Issuance of common stock in an at-the-market equity offering, net of issuance costs of $446 Issuance of common stock in an at-the-market equity offering, net of issuance costs of $446, shares Shares issued Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Issuance of common stock and warrants in connection with rights offering, exercise price per unit Exercise price of warrants/rights Payments of Stock Issuance Costs Issuance of common stock, issuance costs Description Of The Business [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Description Of The Business Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Fair Value Of Financial Instruments [Abstract] Fair Value Disclosures [Text Block] Fair Value Of Financial Instruments Balance Sheet Components [Abstract] Balance Sheet Components [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Goodwill [Abstract] Business Combination Disclosure [Text Block] Goodwill Stockholders' Equity And Stock-Based Compensation [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stockholders' Equity And Stock-Based Compensation Research Grants And Agreements [Abstract] Research, Development, and Computer Software Disclosure [Text Block] Research Grants And Agreements Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Controlled Launch [Abstract] Controlled Launch [Abstract] Controlled Launch [Text Block] Controlled Launch [Text Block] Controlled Launch Revenue [Abstract] Revenue from Contract with Customer [Text Block] Revenue Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Restructuring Charges [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring Charges Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Going Concern [Policy Text Block] Going Concern [Policy Text Block] Going Concern Basis of Accounting, Policy [Policy Text Block] Basis Of Presentation Consolidation, Policy [Policy Text Block] Principles Of Consolidation Use Of Estimates Use Of Estimates Significant Accounting Policies [Policy Text Block] Significant Accounting Policies [Policy Text Block] Significant Accounting Policies Inventory, Policy [Policy Text Block] Valuation Of Inventory Revenue from Contract with Customer [Policy Text Block] Revenue From Contracts with Customers Standard Product Warranty, Policy [Policy Text Block] Product Warranty Earnings Per Share Policy [Text Block] Net Loss Per Share New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncement Schedule of Product Warranty Liability [Table Text Block] Schedule Of Warranty Accrual Activity Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Anti-Dilutive Shares Excluded From Computation Of Diluted Net Loss Per Share Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value Of Financial Assets Measured On A Recurring Basis 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 Finite-Lived Intangible Assets [Table Text Block] Schedule Of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule Of Amortization Of Intangible Assets Schedule of Accrued Liabilities [Table Text Block] Schedule Of Accrued Expenses Stockholders' Equity [Table] Stockholders' Equity [Table] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Two Thousand Seventeen Employee Stock Purchase Plan [Member] Two Thousand Seventeen Employee Stock Purchase Plan [Member] 2017 Employee Stock Purchase Plan [Member] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Employee Stock Option [Member] Stock Options [Member] Stockholders' Equity [Line Items] Stockholders' Equity [Line Items] Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary Of Stock Option Activity Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Schedule Of Fair Value Of Employee Stock Options Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule Of Stock-Based Compensation Expense Share-based Payment Arrangement, Cost by Plan [Table Text Block] Summary Of Stock-Based Compensation Expense By Type Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule Of Maturity Lease Payments Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities [Table Text Block] Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities [Table Text Block] Schedule Of Supplemental Lease Information Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule Of Revenue By Product And Geographic Location Cash, Cash Equivalents, and Short-term Investments Cash, cash equivalents, and investments Inventory Valuation Reserves Inventory valuation reserve Standard Product Warranty Accrual, Current Ending balance Beginning balance Warranty Standard Product Warranty Accrual, Increase for Warranties Issued Add: Accruals for warranties issued during the period Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Warrant [Member] Common Stock Warrants [Member] Restricted Stock Units R S U [Member] Restricted Stock Units [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Total Liabilities Fair Value Disclosure Liabilities measured at fair value Amount of transfers of financial instruments classified in shareholders' equity measured on a recurring basis out of level 1, 2, or 3 of the fair value hierarchy into level 1, 2, or 3. Fair Value, Equity, Level 1, 2, and 3 Transfers, Amount Transfers between level 1, 2, or 3 Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Fair Value By Asset Class [Axis] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Asset Class [Domain] Money Market Funds [Member] Money Market Funds [Member] 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] Cash And Cash Equivalents Fair Value Disclosure Total cash and cash equivalents Assets Fair Value Disclosure Total assets measured at fair value Finite-Lived Intangible Asset, Useful Life Intangible asset useful life Restructuring Reserve Restructuring charges liability Inventory Raw Materials Net Of Reserves Raw materials Inventory Work In Process Net Of Reserves Work in process Inventory Finished Goods Net Of Reserves Finished goods Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Leasehold Improvements [Member] Leasehold Improvements [Member] Laboratory Equipment [Member] Laboratory Equipment [Member] Laboratory Equipment [Member] Furniture And Fixtures [Member] Furniture, Fixtures, And Equipment [Member] Software And Software Development Costs [Member] Software [Member] Construction In Progress [Member] Construction In Progress [Member] 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 Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Gross Acquired patents and licenses Finite-Lived Intangible Assets, Accumulated Amortization Less: Accumulated amortization Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2022 (remaining 9 months) Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2025 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2026 Accrued Employee Benefits, Current Compensation Controlled launch Controlled launch Controlled launch (Note 9) Carrying value as of the balance sheet date of obligations and payables pertaining to clinical trials. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Clinical Trials, Current Clinical trial fees and costs Accrued Professional Fees, Current Professional fees Other Accrued Liabilities, Current Other Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Business Acquisition, Equity Interests Issued or Issuable [Line Items] Number of Businesses Acquired Number of purchased companies Business Combination, Consideration Transferred Aggregate consideration Goodwill, Impairment Loss Goodwill impairment Related Party [Axis] Related Party [Domain] Related Party [Domain] Robert W. Duggan [Member] Robert W. Duggan [Member] Robert W. Duggan [Member] MDB Capital Group, LLC [Member] Mdb Capital Group Llc [Member] MDB Capital Group, LLC [Member] Stifel, Nicolaus & Company Inc. [Member] Stifel Nicolaus Company Inc. [Member] Stifel, Nicolaus & Company Inc. [Member] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Board Of Directors Chairman [Member] Chairman, Robert W. Duggan [Member] Director [Member] Directors [Member] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] I P O [Member] Initial Public Offering [Member] Private Placement [Member] Private Placement [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Performance Shares [Member] Performance Shares [Member] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] General And Administrative Expense [Member] General And Administrative [Member] Research And Development Expense [Member] Research And Development [Member] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share Based Compensation Award Tranche One [Member] First Vesting Portion [Member] Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Rights Offering [Member] Rights Offering [Member] Rights Offering [Member] At the Market Offering [Member] At The Market Offering [Member] At the Market Offering [Member] Two Thousand Seventeen Inducement Equity Incentive Plan [Member] Two Thousand Seventeen Inducement Equity Incentive Plan [Member] 2017 Inducement Equity Incentive Plan [Member] Two Thousand Seventeen Plan [Member] Two Thousand Seventeen Plan [Member] 2017 Plan [Member] Sale of Stock, Number of Shares Issued in Transaction Shares sold Sale of Stock, Price Per Share Price per share Issuance of Stock and Warrants for Services or Claims Aggregate issuance costs Warrants and Rights Outstanding Value of warrants/rights Class of Warrant or Right, Outstanding Warrants/rights outstanding Sale of Stock, Consideration Received on Transaction Net proceeds Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights Number of common shares called by issuance of warrants Period the warrants or rights are exercisable after issuance. Class of Warrant or Right, Period which Warrants or Rights Exercisable Period the warrants are exercisable after issuance Percentage Required For Redemption Of Warrant Percentage Required For Redemption Of Warrant Percentage requirement for warrant redemption Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Common stock received from rights/warrants exercised Warrants exercised Warrants exercised Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Term period Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Additional common stock reserved for issuance Increase in shares available for issuance threshold of common stock outstanding, number of shares. Increase In Shares Available For Issuance Threshold Of Common Stock Outstanding, Number Of Shares Increase in shares available for issuance threshold of common stock outstanding, number of shares Increase in shares available for issuance threshold of common stock outstanding, percent outstanding. Increase In Shares Available For Issuance Threshold Of Common Stock Outstanding, Percent Outstanding Increase in shares available for issuance threshold of common stock outstanding, percent outstanding Exercisable period of warrants or rights. Class of Warrant or Right, Exercisable Period Exercisable period of warrants or rights Warrants or Rights, Redemption Price Per Share Warrants or Rights, Redemption Price Per Share Redemption per warrant Period Of Time Required For Redemption Of Warrants Period Of Time Required For Redemption Of Warrants Period of time required for redemption of warrants Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Shares available for grant Allocated Share Based Compensation Expense Total stock-based compensation expense Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Ending Balance, Number of shares Beginning Balance, Number of shares Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Options granted, Number of shares Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Options canceled, Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable, Number of shares Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Ending Balance, Weighted average exercise price per share Beginning Balance, Weighted average exercise price per share Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Exercisable, Weighted average exercise price per share Time-Based Options [Member] Time Based Options [Member] Time-Based Options [Member] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term 1 Expected term in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Cost Of Sales [Member] Cost Of Revenues [Member] Selling And Marketing Expense [Member] Sales And Marketing [Member] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Schedule of Research and Development Arrangement, Contract to Perform for Others [Table] Old Dominion University Research Foundation [Member] Old Dominion University Research Foundation [Member] ODURF [Member] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research And Development Arrangement Contract To Perform For Others Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Sponsored research activities. Sponsored Research Agreement Sra [Member] Sponsored Research Agreement ("SRA") [Member] Research and Development Arrangement, Contract to Perform for Others [Line Items] Period of time for each Sponsored Research Agreement ("SRA"). Sponsored Research Agreement, Term Period Period of time for Sponsored Research Agreement ("SRA") Research And Development Expense Payable Research And Development Expense Payable Research and development expense payable Commitments and Contingencies [Table] Commitments and Contingencies [Table] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Loan Agreement [Member] Loan Agreement [Member] Loan Agreement [Member] Premises [Member] Premises [Member] Hayward, CA [Member] Lease Amendment [Member] Lease Amendment [Member] Lease Amendment [Member] Expansion Premises [Member] Expansion Premises [Member] Expansion Premises [Member] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Debt Instrument Face Amount Principal sum Debt instrument, quarterly interest rate Debt instrument, quarterly interest rate Debt Instrument, Increase, Accrued Interest Accrued interest Director and officer insurance premium payable Director and officer insurance premium payable Insurance down payment Insurance down payment Financed insurance policy balance. Financed insurance policy balance Financed insurance policy interest rate. Financed insurance policy interest rate Lessee Leasing Arrangements, Operating Leases, Term of Contract Lease term Area Of Lease Operating Leases, Rent Expense, Net Rent expense, including common area maintenance charges Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2022 (remaining 9 months) Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2023 Operating Leases, Future Minimum Payments, Due in Two Years 2024 Operating Leases, Future Minimum Payments, Due in Three Years 2025 Lessee Operating Lease Liability Payments Due Year Four 2026 Operating Leases, Future Minimum Payments, Due Thereafter Thereafter Operating Leases, Future Minimum Payments Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less imputed interest Operating Lease, Liability Total lease liabilities Total lease liabilities Operating Lease, Payments Cash paid for operating lease liabilities Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Number of KOLs Number of KOLs Number of patients participating in procedure Number of patients participating in procedure Program expenses Program expenses Controlled Launch, Revenue Recognized Controlled Launch, Revenue Recognized Revenue recognized Collaborative Arrangement Disclosure [Abstract] Contractual Revenue [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Segment Geographical [Domain] Segment, Geographical [Domain] North America [Member] North America [Member] Non Us [Member] Rest Of World [Member] Systems Products [Member] Systems Products [Member] Systems Products [Member] Cycle Units Products [Member] Cycle Units Products [Member] Cycle Units Products [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Number of Reportable Segments Number of reportable segments Number of Operating Segments Number of operating segments Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Line Items] Due to Related Parties Due to related parties Subsequent Event [Table] Subsequent Event [Line Items] Common Stock, Share Subscribed but Unissued, Subscriptions Receivable Common stock subscriptions Common Stock Offering, Number Of Common Shares Per Unit Common Stock Offering, Number Of Common Shares Per Unit Common shares per unit Common Stock Offering, Number Of Common Shares Per Warrant Common Stock Offering, Number Of Common Shares Per Warrant Common shares per warrant Share Price Share price U S Treasury Securities [Member] US Treasury Securities [Member] Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Series Of Individually Immaterial Business Acquisitions [Member] Series of Individually Immaterial Business Acquisitions [Member] Stock Plans 2015, 2017 And Inducement [Member] Stock Plans20152017 And Inducement [Member] 2015, 2017 And Inducement Plans [Member] Stock Plans, 2017 And Inducement [Member] Stock Plans2017 And Inducement [Member] 2017 And Inducement Plans [Member] Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] ESPP [Member] Contract with Customer, Sales Channel [Axis] Contract With Customer Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Redemption Of Non-Cash Credits [Member] Redemption Of Non Cash Credits [Member] Redemption Of Non-Cash Credits [Member] Cash Purchases [Member] Cash Purchases [Member] Cash Purchases [Member]