Document And Entity Information [Abstract] Document Information [Table] Document Information [Line Items] Document Type Document Quarterly Report Current Fiscal Year End Date Document Period End Date Document Fiscal Year Focus Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, 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 Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock Shares Outstanding Amendment Flag Entity Central Index Key Document Fiscal Period Focus Condensed Consolidated Balance Sheets [Abstract] Statement [Table] Statement [Line Items] Assets [Abstract] Assets Assets Current [Abstract] Current assets Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents Short Term Investments Investments Accounts Receivable Net Current Accounts receivable Inventory Net Inventory 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 Operating lease right-of-use assets, net Restricted Cash and Cash Equivalents, Noncurrent Long-term restricted cash Other Assets Noncurrent Other long-term assets Assets Total assets Liabilities and Stockholders’ Equity Liabilities Current [Abstract] Current liabilities Accounts Payable Current Accounts payable Accrued Liabilities, Current Accrued expenses Contract with Customer, Liability, Current Deferred revenue, current Operating Lease, Liability, Current Operating lease liabilities, current Notes Payable, Net of Discount, Current Notes Payable, Net of Discount, Current Notes payable, current Deferred Gain from Reverse Termination Fee Deferred Gain from Reverse Termination Fee Deferred gain from Reverse Termination Fee Other Liabilities Current Other liabilities, current Liabilities Current Total current liabilities Contract with Customer, Liability, Noncurrent Deferred revenue, non-current Operating Lease, Liability, Noncurrent Operating lease liabilities, non-current Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders Equity [Abstract] Stockholders' equity Preferred Stock Value Preferred stock, $0.001 par value: Authorized 50,000 shares; No shares issued or outstanding Common Stock, Value, Issued Common stock, $0.001 par value: Authorized 1,000,000 shares; issued and outstanding 154,318 shares and 153,119 shares at June 30, 2020 and December 31, 2019, respectively Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income 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] Service and Other [Member] Service And Other [Member] Service and Other [Member] Revenues [Abstract] Revenue: Revenues Revenue Cost Of Revenue [Abstract] Cost of revenue: Cost of Goods and Services Sold Cost of revenue Gross Profit Gross profit Operating Expenses [Abstract] Operating expense: Research And Development Expense Research and development Selling General And Administrative Expense Sales, general and administrative Operating Expenses Total operating expense Operating Income Loss Operating loss Gain (Loss) on Contract Termination Gain from Continuation Advances Gain from Continuation Advances Interest Expense Interest expense Other Nonoperating Income Expense Other income, net Net Income Loss Net loss Net loss Net loss Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Unrealized income on investments Other comprehensive income 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 Shares used in computing basic and diluted net loss per share Condensed Consolidated Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock 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] Revision of Prior Period [Axis] Restatement [Domain] Revision of Prior Period [Domain] Revision Of Prior Period Accounting Standards Update Adjustment [Member] Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of common stock in conjunction with equity plans Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Issuance of common stock in conjunction with equity plans, shares Stock Issued During Period Shares New Issues Shares issued Issuance of common stock from offering, net of issuance costs, shares Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense 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 Amount of amortization expense attributable to right-of-use asset from operating lease. Operating Lease, Right-of-Use Asset, Amortization Amortization of operating lease right-of-use assets Amortization Of Financing Costs And Discounts Amortization of debt discount and financing costs Gain (Loss) on Sale of Derivatives Gain on derivative Share Based Compensation Stock-based compensation Investment Income, Net, Amortization of Discount and Premium Amortization (accretion) from investment premium (discount) Increase Decrease In Operating Capital [Abstract] Changes in 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 assets Increase Decrease In Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Service Revenue Deferred revenue Operating Lease, Payments Operating lease liabilities Increase Decrease In Other Current Liabilities Other liabilities Increase (Decrease) in Deferred Gain from Reverse Termination Fee Increase (Decrease) in Deferred Gain from Reverse Termination Fee Deferred gain from Reverse Termination fee Net Cash Provided By Used In Operating Activities Net cash provided by (used in) operating activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities Payments To Acquire Property Plant And Equipment Purchase of property and equipment Payments To Acquire Investments Purchase of investments 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 Contract Termination Proceeds from Contract Termination Continuation Advances Repayments of Notes Payable Notes payable principal payoff Repayment of notes payable Proceeds From Issuance Of Common Stock Proceeds from issuance of common stock from equity plans Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Cash And Cash Equivalents Period Increase Decrease Net increase in cash and cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents and restricted cash at end of period Cash and cash equivalents and restricted cash at beginning of period Restricted Cash and Cash Equivalents Restricted cash at end of period Supplemental disclosure of cash flow information Transfer of Inventory to Property and Equipment Transfer of Inventory to Property and Equipment Inventory transferred to property and equipment Overview [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Overview Merger Termination [Abstract] Termination of Merger with Illumina [Abstract] Merger Termination Merger Termination Termination of Merger with Illumina Summary of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Cash, Cash Equivalents and Investments [Abstract] Cash Cash Equivalents And Short Term Investments [Text Block] Cash, Cash Equivalents and Investments Supplemental Balance Sheet Components Disclosure [Abstract] Balance Sheet Components [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components Commitments and Contingencies [Abstract] Loss Contingency Disclosures Commitments and Contingencies Stockholders' Equity [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stockholders' Equity Revenue [Abstract] Revenue from Contract with Customer [Text Block] Revenue Basis Of Accounting Basis of Presentation and Consolidation Coronavirus Policy [Policy Text Block] Coronavirus Policy [Policy Text Block] COVID-19 Use Of Estimates Use of Estimates Fair Value Of Financial Instruments Policy Fair Value of Financial Instruments Earnings Per Share Policy [Text Block] Net Loss per Share Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration and Other Risks New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Significant Accounting Policies [Policy Text Block] Significant Accounting Policies [Policy Text Block] Significant Accounting Policies Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Anti-dilutive Shares Excluded from Computation of Diluted Net Income (Loss) per Share Schedule of Cumulative Effect for the Adoption of Accounting Standards Updates [Table Text Block] Schedule of Cumulative Effect for the Adoption of Accounting Standards Updates [Table Text Block] Schedule of Cumulative Effect on Consolidated Balance Sheet for Adoption of ASU 2016-13 Schedule Of Cash Cash Equivalents And Short Term Investments Table [Text Block] Summary of Cash, Cash Equivalents and Investments Marketable Securities [Text Block] Summary of Contractual Maturities of Cash Equivalents and Available-for-Sale Investments Schedule Of Inventory Current Table [Text Block] Components of Inventory Lessee, Operating Lease, Description [Table Text Block] Lessee, Operating Lease, Description [Table Text Block] Schedule of Amount, Timing and Uncertainty of Cash Flows from Operating Leases 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] Summary of Time-Based RSUs Activity Share-based Compensation, Performance Shares Award Nonvested Activity [Table Text Block] Summary of Performance-Based RSUs Activity Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule of Stock-Based Compensation Expense Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Schedule of Fair Value of Employee Stock Options Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Fair Value of Employee Stock Purchase Plan Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Revenue by Geographic Location Summary of Revenue by Category [Table Text Block] Summary of Revenue by Category [Table Text Block] Summary of Revenue by Category Proceeds from Fees Received Termination fee received Payments for Advisor Fees Payments for Advisor Fees Advisor fees paid Merger Agreement, Period in Which Company must Repay Continuation Advances if Change-of-Control Transaction is Entered into with Third Party Merger Agreement, Period in Which Company must Repay Continuation Advances if Change-of-Control Transaction is Entered into with Third Party Period in which company must repay continuation advances if change-of-control transaction is entered into with third party Merger Agreement, Continuation Advances Repayable, Minimum Company must Raise in Equity or Debt Financing in a Single Transaction Merger Agreement, Continuation Advances Repayable, Minimum Company must Raise in Equity or Debt Financing in a Single Transaction Equity or debt financing that must be raised in a single transaction Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue Net [Member] Sales Revenue, Net [Member] Customer [Axis] Name Of Major Customer [Domain] Customer [Domain] Customer A [Member] Customer [Member] TOMY Digital Biology Co. [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Discount Rate [Member] Measurement Input, Discount Rate [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Derivative Liability, Measurement Input Derivative liability, measurement input Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Fair value of the financing derivative Derivative Liability Financing derivative Merger Agreement, Period in Which Company must Raise in Equity or Debt Financing in a Single Transaction Merger Agreement, Period in Which Company must Raise in Equity or Debt Financing in a Single Transaction Period in which company must raise equity or debt financing in a single transaction Business Combination, Contingent Consideration, Liability Contingent repayment liability Fair value assets liabilities transfer between levels. Fair Value Assets Liabilities Transfer Between Levels Fair value assets/liabilities transfer between levels Concentration Risk, Percentage Concentration risk, percentage 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 Inputs Level3 [Member] Level 3 [Member] Fair Value By Asset Class [Axis] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Asset Class [Domain] Cash And Cash Equivalents [Member] Cash and cash equivalents [Member] Cash and money market funds. Cash And Money Market Funds [Member] Cash and money market funds [Member] Commercial Paper [Member] Commercial paper [Member] Investments [Member] Investments [Member] Commercial Paper Not Included With Cash And Cash Equivalents [Member] Commercial paper, not included with cash and cash equivalents [Member] Corporate Debt Securities [Member] Corporate debt securities [Member] US Government Corporations and Agencies Securities, , Not Included with Cash and Cash Equivalents [Member] Us Government Corporations And Agencies Securities Not Included With Cash And Cash Equivalents [Member] U.S. government & agency securities, not included with cash and cash equivalents [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 Investments Fair Value Disclosure Total investments Long-Term Restricted Cash Fair Value Disclosure Long Term Restricted Cash Fair Value Disclosure Long-term restricted cash Assets Fair Value Disclosure Total assets measured at fair value Liabilities [Abstract] Liabilities Contract Termination Contract Termination Continuation Advances Liabilities Fair Value Disclosure Total liabilities measured at fair value 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] Employee Stock Option [Member] Stock Options [Member] Time-Based Restricted Stock Units (RSUs) [Member] Time Based Restricted Stock Units Rsus [Member] Time-Based Restricted Stock Units (RSUs) [Member] Performance-Based Restricted Stock Units (RSUs) [Member] Performance Based Restricted Stock Units Rsus [Member] Performance-Based Restricted Stock Units (RSUs) [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 Antidilutive securities excluded from the computation of earnings per share Schedule Of Available For Sale Securities [Table] Schedule of Available-for-sale Securities [Table] Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Fair Value, Option, Eligible Item or Group [Domain] Cash, Cash Equivalents and Investments [Member] Cash Cash Equivalents And Investments [Member] Cash, cash equivalents and investments [Member] U S Government Corporations And Agencies Securities [Member] U.S. government and agency securities [Member] Long-Term Restricted Cash [Member] Long Term Restricted Cash [Member] Long-term restricted cash [Member] Schedule Of Available For Sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Available For Sale Securities Amortized Cost Amortized cost Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Gain Accumulated In Investments Gross unrealized gains Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Loss Accumulated In Investments Gross unrealized losses Available For Sale Securities Fair value Available-for-sale Securities, Debt Securities, Current Due in one year or less Available-for-sale Securities, Debt Securities, Noncurrent Due after one year through 5 years Available For Sale Securities Debt Securities Total investments Schedule of Balance Sheet Components [Table] Schedule of Balance Sheet Components [Table] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Termination Agreement [Member] Termination Agreement [Member] Termination Agreement [Member] Service [Member] Service [Member] Statistical Measurement [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Balance Sheet Components [Line Items] Balance Sheet Components [Line Items] Increase (Decrease) in Restricted Cash Decrease in Long-term restricted cash Accrued Professional Fees Accrued advisor fees Notes Payable, Current Notes payable, current Contract with Customer, Liability Deferred revenue Contract with Customer, Liability, Noncurrent, Recognition Period Contract with Customer, Liability, Noncurrent, Recognition Period Deferred service revenue, noncurrent, recognition period Inventory Raw Materials Net Of Reserves Purchased materials Inventory Work In Process Net Of Reserves Work in process Inventory Finished Goods Net Of Reserves Finished goods Commitments and Contingencies [Table] Commitments and Contingencies [Table] Counterparty Name [Axis] Repurchase Agreement Counterparty Name [Domain] Counterparty Name [Domain] O’Brien Lease Agreement [Member] Obrien Lease Agreement [Member] O’Brien Lease Agreement [Member] Name of Property [Axis] Real Estate And Accumulated Depreciation Name Of Property [Domain] Name of Property [Domain] O’Brien Drive, Menlo Park, California [Member] Obrien Drive Menlo Park California [Member] 1305 O’Brien Drive, Menlo Park, California [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate [Member] Prime Rate [Member] Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Net Rentable Area Net rentable area Lessee Leasing Arrangements, Operating Leases, Term of Contract Lease term Expected Monthly Rent Expense Period 1 Expected Monthly Rent Expense Period 1 Rent expense first twelve months Expected Monthly Rent Expense Period 2 Expected Monthly Rent Expense Period 2 Rent expense last twelve months Lessee, Operating Lease, Period in which Payment must be Received without Incurring Late Charge Lessee, Operating Lease, Period in which Payment must be Received without Incurring Late Charge Period in which payment must be received without incurring late charge Lessee, Operating Lease, Late Charge, Percent Lessee, Operating Lease, Late Charge, Percent Late charge, percent Lessee, Operating Lease, Amount not Paid after Written Notice, Bear Interest from Date Due until Date Paid, Period Lessee, Operating Lease, Amount not Paid after Written Notice, Bear Interest from Date Due until Date Paid, Period Amount not paid after written notice, bear interest from date due until date paid, period Debt Instrument, Basis Spread on Variable Rate Basis spread on variable rate Lessee, Operating Lease, Renewal Term Renewal term Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Payments for Rent Rent payments Operating Lease, Cost Operating lease cost Additional Liability Associated With Indemnification Obligations Additional Liability Associated With Indemnification Obligations Additional liability associated with indemnification obligations Operating Lease Liabilities, Payments Due [Abstract] Maturity of Lease Liabilities Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Remaining of 2020 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 Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due after Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due Total undiscounted operating lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Operating Lease, Liability Total operating lease liabilities Present value of operating lease liabilities Balance Sheet Classification [Abstract] Balance Sheet Classification [Abstract] Balance Sheet Classification Stockholders' Equity [Table] Stockholders' Equity [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Equity Based Arrangements Individual Contracts Type Of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Two Thousand Ten Equity Incentive Plan [Member] Two Thousand Ten Equity Incentive Plan [Member] 2010 Plan [Member] Two Thousand Ten Outside Director Equity Incentive Plan [Member] Two Thousand Ten Outside Director Equity Incentive Plan [Member] 2010 Director Plan [Member] Plan 2010 and Director Plan 2010 [Member] Plan2010 And Director Plan2010 [Member] 2010 Plan and 2010 Director Plan [Member] Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] ESPP [Member] Stockholders' Equity [Line Items] Stockholders' Equity [Line Items] Share Based Compensation Arrangements By Share Based Payment Awards Number Of Active Plans Share Based Compensation Arrangements By Share Based Payment Awards Number Of Active Plans Number of equity compensation plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Additional common stock reserved for issuance Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Common stock reserved for issuance Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit Exercise price, lower range Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit Exercise price, upper range Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Number of shares, Options granted Options granted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Employee stock purchase rights offered 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 By Exercise Price Range [Axis] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise price range one member. Exercise Price Range One [Member] $1.16 – 16.00 [Member] Exercise price range four member. Exercise Price Range Four [Member] $2.45 [Member] Exercise price range three member. Exercise Price Range Three [Member] $1.16 – 4.25 [Member] Exercise price range two member. Exercise Price Range Two [Member] $2.54 – 15.77 [Member] 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 Number of shares, Balances, June 30, 2020 Number of shares, Balances, December 31, 2019 Stock Issued During Period Shares Stock Options Exercised Number of shares, Options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of shares, Options canceled Share-based Payment Arrangement, Option, Exercise Price Share-based Payment Arrangement, Option, Exercise Price Exercise price Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted average exercise price, Balances, June 30, 2020 Weighted average exercise price, Balances, December 31, 2019 Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted average exercise price, Options granted Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted average exercise price, Options exercised Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted average exercise price, Options canceled Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of shares, Unvested outstanding at June 30, 2020 Number of shares, outstanding at December 31, 2019 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of shares, granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Number of shares, released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of shares, forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant date fair value, Unvested outstanding at June 30, 2020 Weighted average grant date fair value, outstanding at December 31, 2019 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, released Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average grant date fair value, forfeited 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] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost Of Sales [Member] Cost of revenue [Member] Research And Development Expense [Member] Research and development [Member] Selling General And Administrative Expenses [Member] Sales, general and administrative [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] Allocated Share Based Compensation Expense Total stock-based compensation expense Maximum [Member] Maximum [Member] 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 Weighted Average Volatility Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate, maximum 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] Europe [Member] Europe (including the Middle East and Africa) [Member] Asia Pacific [Member] Asia Pacific [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenue from Contract with Customer, Excluding Assessed Tax Total revenue Schedule of Product Information [Table] Instrument [Member] Instrument [Member] Instrument [Member] Consumable [Member] Consumable [Member] Consumable [Member] Product Information [Line Items]