Document And Entity Information Document Type Document Type Document Quarterly Report Document Transition Report Document Period End Date Document Period End Date 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, 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 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 Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Current Fiscal Year End Date Current Fiscal Year End Date 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 Balance Sheets Statement [Table] Statement [Line Items] Statement 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, net 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 Operating Lease, Right-of-Use Asset Right-of-use assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total accrued liabilities Deferred Revenue, Current Deferred licensing revenue Deferred revenue Long-term Debt, Current Maturities Current portion of long-term debt Net carrying value of debt, Current Portion Operating Lease, Liability, Current Less: current portion of operating lease liabilities Operating lease liabilities Other Liabilities, Current Other liabilities Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt, net of current portion Net carrying value of debt, Long-term debt Operating Lease, Liability, Noncurrent Total operating lease liabilities, net of current portion Operating lease liabilities, net of current portion Accrued Income Taxes, Noncurrent Long-term income tax liability Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized; no shares issued and outstanding as of June 30, 2021 and December 31, 2020 Common Stock, Value, Issued Common stock, $0.0001 par value per share; 100,000,000 shares authorized; 19,435,274 and 19,031,556 shares issued and outstanding as of June 30, 2021 and December 31, 2020 Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par Value 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 Common stock, shares outstanding Statements of Operations and Comprehensive Income (Loss) Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Product [Member] Product sales Pertaining to licensing, royalty and other revenues. Licensing Royalty And Other Revenues [Member] Licensing, royalty and other revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Revenue Cost of Goods and Services Sold Cost of sales Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Research and Development Expense Project costs Research and development General and Administrative Expense General and administrative Selling and Marketing Expense Sales and marketing Operating Expenses Total operating expenses Operating Income (Loss) Gain (loss) from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other (expense) income, net Other (expense) income Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net income (loss) before income taxes Income Tax Expense (Benefit) Income tax expense Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) and comprehensive income (loss) Earnings Per Share, Basic Net income (loss) per share attributable to common share, basic Earnings Per Share, Diluted Net income (loss) per share attributable to common stockholders, diluted Weighted Average Number of Shares Outstanding, Basic Weighted average common shares used to compute net income (loss) per common share attributable to common stockholders, basic Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares used to compute net income (loss) per common share attributable to common stockholders, diluted Weighted-average common shares outstanding used to calculate net income (loss) per common share, diluted Compensation Items [Abstract] Operating expenses include stock-based compensation as follows: Share-based Compensation Stock-based compensation Total stock-based compensation Statements of Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance (in shares) Balance (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 Number of Options, Options exercised Exercise of stock options (in shares) Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Value of share issued Issuance of common stock under stock incentive plans Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Number of shares issued (in shares) Issuance of common stock under stock incentive plans (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Stock Issued During Period, Value, New Issues Issuance of common stock in at-the-market offering, net of issuance costs Stock Issued During Period, Shares, New Issues Number of shares sold Issuance of common stock in at-the-market offering, net of issuance costs (in shares) Statement of Cash Flows Net Cash Provided by (Used in) Operating Activities, Continuing Operations [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 provided by (used in) operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization It represents the amount of gain on warrant revaluation during the period. Gain On Warrant Revaluation Non-cash warrant revaluation Amortization of Debt Issuance Costs and Discounts Non-cash interest expense 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 Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase Decrease in a Contract with Customer Liability Deferred revenue The increase (decrease) in lease liabilities. Increase (Decrease) in Lease Liabilities Lease liabilities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities Proceeds from Issuance of Common Stock Proceeds from the issuance of common stock, net of offering costs Net proceeds Repayments of Long-term Debt Payments on long-term debt The cash outflow for finance lease obligations. Payments on Finance Lease Obligations Payments on finance lease obligation Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Proceeds from exercise of stock options and purchase of shares in employee stock purchase plan Proceeds from Issuance of Private Placement Proceeds from issuance of common stock in at-the-market offering, net of issuance costs Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash (used in) provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net decrease 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 period Supplemental Cash Flow Information [Abstract] Supplementary cash flow information: Interest Paid, Net Interest paid Operating Lease, Payments Operating cash flows paid for operating leases Finance Lease, Principal Payments Financing cash flows paid for finance leases Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities: Amount of increase of right of use asset and lease liability due to lease modification. Increase Of Right Of Use Asset And Lease Liability Due To Lease Modification Increase of right-of-use asset and lease liability due to lease modification Liabilities Assumed Purchases of property and equipment in accounts payable and accrued liabilities Stock Issued Bonus settled in shares of common stock Organization and Nature of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Nature of Business Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Revenue. Revenue from Contract with Customer [Text Block] Revenue Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Leases The entire disclosure of information about leases. Lease Disclosure [Text Block] Leases Debt Debt and Capital Leases Disclosures [Text Block] Debt Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Significant Arrangements [Abstract] Significant Agreements The entire disclosure for significant arrangements. Significant Arrangements [Text Block] Significant Agreements Net Income (Loss) Per Common Share Earnings Per Share [Text Block] Net Income (Loss) Per Common Share Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Reclassification, Policy [Policy Text Block] Prior Period Reclassifications Use of Estimates, Policy [Policy Text Block] Use of Estimates Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts receivable, net Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Pronouncements Tabular disclosure of accounts receivable net. Schedule of Accounts Receivable Net [Table Text Block] Schedule of accounts receivable net Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of revenue and accounts receivable for each significant customer Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of fair value of financial assets and liabilities measured on recurring basis Disaggregation of Revenue [Table Text Block] Schedule of disaggregation of revenue Schedule of Inventory, Current [Table Text Block] Schedule of Inventory Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Undiscounted future non-cancellable lease payments The tabular disclosure of lease quantitative information. Lease Quantitative Disclosure [Table Text Block] Schedule of supplemental information Schedule of Debt [Table Text Block] Summary of debt Schedule of Maturities of Long-term Debt [Table Text Block] Summary of principal repayments of credit facility Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of stock option activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of restricted stock unit activity Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Computation of basic and diluted net income (loss) per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of potentially dilutive securities excluded from diluted net loss per common share Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Disaggregation of Revenue Accounts Receivable, Net, Current [Abstract] Accounts receivable Accounts Receivable, Gross, Current Trade accounts receivable Unbilled Receivables, Current Unbilled accounts receivable A valuation allowance for product returns and price concessions. Allowance For Product Returns and Price Concessions Allowance for product returns and price concessions Concentration Risk [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue From Contract With Customer [Member] Revenue Accounts Receivable [Member] Accounts Receivable Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk Customer [Axis] Name Of Major Customer [Domain] Customer [Domain] Customer A. Customer A [Member] Customer A Customer B. Customer B [Member] Customer B Customer C. Customer C [Member] Customer C Range [Axis] Range [Member] Range [Domain] Maximum [Member] Maximum Concentration Risk [Line Items] Concentration risk Concentration Risk, Percentage Concentration risk percentage Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Recurring Cash and Cash Equivalents [Axis] Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash and Cash Equivalents [Domain] Money Market Funds [Member] Money market funds Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 Fair Value Inputs Level3 [Member] Level 3 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Cash and Cash Equivalents, Fair Value Disclosure Money market funds Assets, Fair Value Disclosure, Recurring Total assets measured at fair value Fair value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. Warrants and Rights Outstanding, Fair Value Warrant liability Financial Liabilities Fair Value Disclosure Total liabilities measured at fair value Accounting Standards Update and Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Contract with Customer, Sales Channel [Axis] Contract With Customer Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Sales Channel Through Intermediary [Member] Distributor Sales Channel Directly To Consumer [Member] Non-distributor Timing of Transfer of Good or Service [Axis] Timing Of Transfer Of Good Or Service [Domain] Timing of Transfer of Good or Service [Domain] Transferred At Point In Time [Member] Point in time Transferred Over Time [Member] Over time Royalty [Member] Royalties Product And Service Other [Member] Other revenue Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] Asia Pacific [Member] APAC North America [Member] North America E M E A [Member] EMEA The number of primary geographic regions the Company has sales in. Number of Geographic Regions Number of primary geographic regions Inventory Disclosure [Abstract] Inventory 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 Accrued Liabilities, Current [Abstract] Accrued liabilities Accrued Salaries, Current Payroll-related expenses Carrying value as of the balance sheet date of obligations incurred through that date and payable for inventory. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Inventory Inventory Other Accrued Liabilities, Current Other Contract with Customer, Liability [Abstract] Deferred Revenue Represents the total amount of consideration to be received per the agreement. Total Consideration of Agreement Total amount of consideration to be received Lessor, Lease, Description [Table] Lessor, Lease, Description [Line Items] Leases Operating Lease Liabilities, Payments Due [Abstract] Future operating lease payments Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Operating Lease, Liability Total operating lease liabilities Lease, Cost [Abstract] Other lease information Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Represents the loan and security agreement with Silicon Valley Bank. Silicon Valley Bank Credit Facility [Member] 2017 Credit Facility Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate [Member] Prime Rate Minimum [Member] Minimum Debt Instrument [Line Items] Debt Line of Credit Facility, Maximum Borrowing Capacity Loan agreement amount Percentage points subtracted from the reference rate to compute the variable rate on the debt instrument. Debt Instrument, Negative Basis Spread on Variable Rate Interest rate, negative basis spread percentage The percentage of the amount borrowed that must be paid when the loan is prepaid or repaid. End of Term Fee, Percentage End-of-term fee (as a percent) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares the warrant can be converted to Class of Warrant or Right, Exercise Price of Warrants or Rights Warrant exercise price Stock Issued During Period, Shares, Conversion of Convertible Securities Shares issued with exercise of warrant Represents the value if the option to put the common stock warrants to the Company upon expiration or a liquidity event; to be prorated if the Bank exercises a portion of the warrant. Option to Put Warrants, Value Amount bank could receive if takes the option to put the warrants upon expiration or a liquidity event Represents the fair value of warrants. Fair Value Of Warrants Fair value of warrants Extinguishment of Debt, Amount Repayment of credit facility Long-term Debt, Gross Total principal repayments Principal amount Debt Instrument, Term Agreement term Debt Instrument, Basis Spread on Variable Rate Interest rate, basis spread percentage Debt Instrument, Interest Rate, Effective Percentage Effective interest rate Line of Credit Facility, Commitment Fee Percentage Commitment fee (as a percentage) Represents the early termination fee of a debt instrument as a percentage of the maximum availability under the facility. Termination Fee, Percentage Termination fee (as a percentage) Represents the prepayment fee, as a percentage of the total commitment. Prepayment Fee, as a Percentage Prepayment fee (as a percentage) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Unused facility fee (as a percentage) Debt Instrument, Face Amount Debt instrument, aggregate amount Debt amount Represents the number of months that interest only payments are made per the agreement. Number of Months Interest Only Number of months of interest only payment Represents the number of months of equal principal payments plus accrued interest are made per the agreement. Number of Months Principal Payments Number of months of equal principal payments plus accrued interest Line of Credit Facility, Remaining Borrowing Capacity Remaining availability Long-term Line of Credit Outstanding balance Line of Credit Facility [Table] Line of Credit Facility [Line Items] Debt Long-term debt before unamortized (discount) premium, current. Long Term Debt Current Gross Debt, Current Portion Debt Instrument, Unamortized Discount, Current Less: Debt issuance costs, Current Portion Long-term debt before unamortized (discount) premium, noncurrent. Long Term Debt Noncurrent Gross Debt, including end of term fee, Long-term debt Debt Instrument, Unamortized Discount, Noncurrent Less: Unamortized debt discounts, Long-term debt Debt Instrument, Unamortized Discount Less: Discount attributable to warrants, end of term fee and debt issuance costs, Total Unamortized discount Long-term Debt Net carrying value of debt, Total Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year 2021 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2022 Long-term Debt, Maturities, Repayments of Principal in Year Two 2023 Schedule of Stock by Class [Table] Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] Represents the information pertaining to at the market sales agreement. Open Market Sales Agreement2019 [Member] At-the-Market Sales Agreement Class of Stock [Line Items] Common stock reserved The maximum amount for aggregate offering and sale of common stock under the agreement. Authorized Shares Available For Offering Under The Agreement Maximum amount of shares for offering Represents the commission paid calculated as a maximum percentage of gross proceeds of any sales made pursuant to the Sales Agreement. Maximum Commission Percentage On Gross Proceeds Of Any Sale Maximum commission percentage Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Error Corrections and Prior Period Adjustments Restatement [Line Items] Prior period adjustment Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Options and Awards Available for Grant, Outstanding, Ending balance Options and Awards Available for Grant, Outstanding, Beginning balance Shares available for future issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Options and Awards Available for Grant, Options authorized Share based compensation arrangement by share based payment award number of shares available for grant utilized for another share based award. Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Used for Other Share Based Awards Other than Options Options and Awards Available for Grant, RSUs granted Share based compensation arrangement by share based payment award number of shares available for grant cancelled or forfeited in period other than options. Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available Cancelled Or Forfeited In Period Other Than Options Options Available for Grant, RSUs cancelled/forfeited Share based compensation arrangement by share based payment award number of shares available for grant granted in period. Share Based Compensation Arrangement by Share Based Payment Award Number of Shares Available for Grant Granted in Period Options and Awards Available for Grant, Options granted Share based compensation arrangement by share based payment award number of shares available for grant cancelled or forfeited in period. Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available Cancelled or Forfeited In Period Options and Awards Available for Grant, Options cancelled/forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of Options, Outstanding, Ending balance Number of Options, Outstanding, Beginning balance Options remained outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of Options, Options granted Number of stock options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Number of Options, Options cancelled/forfeited Number of Options, Options cancelled/forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Number of Options, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options outstanding, Ending balance Weighted - Average Exercise Price Per Share, Options outstanding, Beginning balance Weighted-average exercise price (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options granted Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options cancelled/forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted - Average Exercise Price Per Share, Options exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted - Average Remaining Contractual Life, Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Weighted - Average Remaining Contractual Life, Options exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Aggregate Intrinsic Value, Options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Aggregate Intrinsic Value, Options exercisable Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Two thousand sixteen employee stock purchase plan. Two Thousand Sixteen Employee Stock Purchase Plan [Member] ESPP Reprensents a Prior Stock Based Compensation Plan. Prior Stock Based Compensation Plan [Member] Prior Stock Based Compensation Plan Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Employees. Employees [Member] Employees Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Total grant date fair value of options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average grant date fair value of options granted Represents the increase in number of shares available for grant during the period. Share Based Compensation Arrangement by Share Based Payment Award Increase in Number of Shares Available for Grant Increase in number of shares reserved for issuance (in shares) Two thousand sixteen equity incentive plan. Two Thousand Sixteen Equity Incentive Plan [Member] 2016 Employee Incentive Plan Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Restricted Stock Units R S U [Member] RSUs Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Number of Restricted Stock Units Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Balance, end of period Balance, beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Number of shares of common stock, vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Cancelled/forfeited n/a Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Outstanding, Weighted Average Exercise Price Balance, end of period (price per share) Balance, beginning of period (price per share) Share-based Compensation Arrangements by Share-based Payment Award, Other than Options, Grants in Period, Weighted Average Exercise Price Granted (price per share) Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Vested, Weighted Average Exercise Price Vested (price per share) Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Cancelled or Forfeited Weighted Average Exercise Price Cancelled/forfeited (price per share) Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Unrecognized stock-based compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Unrecognized compensation expense, weighted-average period expected to be recognized Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based compensation expense Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements And Nonarrangement Transactions [Member] Arrangements and Non-arrangement Transactions [Domain] Joint development agreement. Joint Development Agreement [Member] Joint Development Agreement Collaborative Arrangement [Member] Collaborative Agreement Counterparty Name [Axis] Repurchase Agreement Counterparty Name [Domain] Counterparty Name [Domain] Global Foundries. Globalfoundries [Member] Global Foundries, Inc. Silterra Malaysia Sdn. Bhd. Silterra Malaysia Sdn Bhd [Member] Silterra Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Joint development agreement Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the qualification of the MRAM device for a particular technology node. Period of Possession Of Exclusive Right to Manufacture After Qualification Of Device Period of possession of exclusive right to manufacture after qualification of device Represents the period during which the related party possess the exclusive right to manufacture the Company's discrete and embedded ST-MRAM devices developed pursuant to the agreement, after the completion of the relevant statement of work under which the device was developed. Period of Possession Of Exclusive Right to Manufacture After Completion Of Device Development Work Period of possession of exclusive right to manufacture after completion of device development work The amount of the total obligation of an expense related to the collaborative agreement. Collaborative Expense Obligation Non-recurring engineering cost obligation The amount of expense incurred related to a collaborative agreement. Collaborative Expense JCA costs Net Income (Loss) Attributable to Parent [Abstract] Numerator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Earnings Per Share, Basic [Abstract] Net income (loss) per common share, basic Earnings Per Share, Diluted [Abstract] Net income (loss) pe common share, diluted Weighted Average Number Diluted Shares Outstanding Adjustment Effect of dilutive Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Common stock warrants. Common Stock Warrants [Member] Common stock warrants Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Options to purchase common stock Restricted Stock [Member] Common stock subject to repurchase Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities excluded from diluted net loss per common share Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Research And Development Expense [Member] Research and development General And Administrative Expense [Member] General and administrative Selling And Marketing Expense [Member] Sales and marketing Additional Paid In Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Accumulated Deficit Noncollaborative Arrangement Transactions [Member] RAD-Hard product Represents the 2019 Credit Facility. Credit Facility2019 [Member] 2019 Credit Facility Represents the revolving line of credit associated with the 2019 Credit Facility. Credit Facility2019 Revolving Line Of Credit [Member] 2019 Credit Facility - Revolving Line Of Credit Represents the term loan associated with the 2019 Credit Facility. Credit Facility2019 Term Loan [Member] 2019 Credit Facility - Term Loan