Entity Central Index Key Finance lease, liability, to be paid, after year four. Lessee, operating lease, liability, to be paid, after year four. Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation State Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Accrued expenses and other current liabilities. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current Assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Short-term investments Short Term Investments Accounts receivable, net of allowance for doubtful accounts of $4,279 and $3,654 Accounts Receivable Net Current Inventories Inventory Net Prepaid expenses Prepaid Expense Current Other current assets Other Assets Current Total current assets Assets Current Noncurrent Assets: Assets Noncurrent [Abstract] Property, plant and equipment, net Property Plant And Equipment Net Operating right-of-use assets, net Operating Lease Right Of Use Asset Finance right-of-use assets, net Finance Lease Right Of Use Asset Intangible assets, net Finite Lived Intangible Assets Net Goodwill Goodwill Long-term investments Long Term Investments Other noncurrent assets Other Assets Noncurrent Total noncurrent assets Assets Noncurrent TOTAL ASSETS Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] Current Liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Deferred revenue Contract With Customer Liability Current Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities Finance lease liability Finance Lease Liability Current Operating lease liability Operating Lease Liability Current Acquisition-related contingent consideration obligation Business Combination Contingent Consideration Liability Current Total current liabilities Liabilities Current Noncurrent Liabilities: Liabilities Noncurrent [Abstract] Finance lease liability Finance Lease Liability Noncurrent Operating lease liability Operating Lease Liability Noncurrent Acquisition-related contingent consideration obligation Business Combination Contingent Consideration Liability Noncurrent Other noncurrent liabilities Other Liabilities Noncurrent Deferred income taxes Deferred Income Tax Liabilities Net Total noncurrent liabilities Liabilities Noncurrent TOTAL LIABILITIES Liabilities Commitments and contingencies (Note 11) Commitments And Contingencies STOCKHOLDERS' EQUITY Stockholders Equity [Abstract] Preferred stock, par value $.000001, 25,000 shares authorized, none issued Preferred Stock Value Common stock, par value $.000001, 120,000 shares authorized, 71,956 and 71,738 shares issued and outstanding Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders' equity Stockholders Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity Allowance for doubtful accounts Allowance For Doubtful Accounts Receivable Current Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Products and services. Products and Services [Member] Product And Services [Member] Other revenues. Other Revenues [Member] Other Revenues [Member] Statement [Line Items] Statement [Line Items] NET REVENUES: Revenues [Abstract] Total revenue Revenue From Contract With Customer Excluding Assessed Tax COST OF PRODUCTS AND SERVICES SOLD Cost Of Goods And Services Sold Gross profit Gross Profit OPERATING EXPENSES: Operating Expenses [Abstract] Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Change in the estimated fair value of acquisition-related contingent consideration Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 Total operating expenses Operating Expenses Operating income (loss) Operating Income Loss OTHER INCOME (LOSS) Other Nonoperating Income Expense Income (loss) before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest INCOME TAX EXPENSE Income Tax Expense Benefit NET INCOME (LOSS) Net Income Loss INCOME (LOSS) PER SHARE: Earnings Per Share [Abstract] BASIC Earnings Per Share Basic DILUTED Earnings Per Share Diluted SHARES USED IN COMPUTING INCOME (LOSS) PER SHARE: Weighted Average Number Of Shares Outstanding [Abstract] BASIC Weighted Average Number Of Shares Outstanding Basic DILUTED Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] NET INCOME (LOSS) OTHER COMPREHENSIVE INCOME (LOSS) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Currency translation adjustments Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Unrealized gain (loss) on marketable securities Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax COMPREHENSIVE INCOME (LOSS) Comprehensive Income Net Of Tax Increase decrease in other non-cash amortization. Proceeds from escrow associated with business acquisitions. Purchase of patent and product rights. Investment Company Capital Share Transactions [Abstract] OPERATING ACTIVITIES: Net Cash Provided By Used In Operating Activities [Abstract] Net income (loss) Profit Loss Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock-based compensation Share Based Compensation Depreciation and amortization Depreciation Depletion And Amortization Other non-cash amortization Increase Decrease In Other Non Cash Amortization Provision for doubtful accounts Provision For Doubtful Accounts Unrealized foreign currency gain Foreign Currency Transaction Gain Loss Unrealized Interest expense on finance leases Finance Lease Interest Expense Deferred income taxes Deferred Income Tax Expense Benefit Payment of acquisition-related contingent consideration Payment For Contingent Consideration Liability Operating Activities Changes in assets and liabilities Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Inventories Increase Decrease In Inventories Prepaid expenses and other assets Increase Decrease In Prepaid Deferred Expense And Other Assets Accounts payable Increase Decrease In Accounts Payable Deferred revenue Increase Decrease In Contract With Customer Liability Accrued expenses and other liabilities Increase Decrease In Accrued Liabilities Net cash (used in) provided by operating activities Net Cash Provided By Used In Operating Activities INVESTING ACTIVITIES: Net Cash Provided By Used In Investing Activities [Abstract] Purchases of investments Payments To Acquire Available For Sale Securities Proceeds from maturities and redemptions of investments Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Purchases of property and equipment Payments To Acquire Property Plant And Equipment Proceeds from escrow associated with business acquisitions Proceeds From Escrow Associated With Business Acquisitions Purchase price adjustment related to business acquisition Payments To Acquire Businesses Net Of Cash Acquired Purchase of patent and product rights Purchase Of Patent And Product Rights Net cash provided by investing activities Net Cash Provided By Used In Investing Activities FINANCING ACTIVITIES: Net Cash Provided By Used In Financing Activities [Abstract] Cash payments for lease liabilities Finance Lease Principal Payments Payment of acquisition-related contingent consideration Payment For Contingent Consideration Liability Financing Activities Proceeds from exercise of stock options Proceeds From Stock Options Exercised Repurchase of common stock Payments For Repurchase Of Common Stock Net cash used in financing activities Net Cash Provided By Used In Financing Activities EFFECT OF FOREIGN EXCHANGE RATE CHANGES ON CASH Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations NET INCREASE IN CASH AND CASH EQUIVALENTS Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CASH AND CASH EQUIVALENTS, END OF PERIOD SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes Income Taxes Paid Net Non-cash investing and financing activities Noncash Investing And Financing Items [Abstract] Accrued property and equipment purchases Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 Unrealized gain (loss) on marketable securities Marketable Securities Unrealized Gain Loss Organization Consolidation And Presentation Of Financial Statements [Abstract] The Company Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Business Combinations [Abstract] Business Combinations Business Combination Disclosure [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Earnings (Loss) Per Share Earnings Per Share [Text Block] Revenue From Contract With Customer [Abstract] Revenues Revenue From Contract With Customer [Text Block] Payables And Accruals [Abstract] Accrued Expenses and Other Current Liabilities Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Lessee operating and financing leases. Lessee Disclosure [Abstract] Leases Lessee Operating And Financing Leases [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Segment Reporting [Abstract] Business Segment Information Segment Reporting Disclosure [Text Block] Principles of Consolidation and Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Investments Investment Policy [Text Block] Fair Value of Financial Instruments Fair Value Of Financial Instruments Policy Accounts Receivable Receivables Policy [Text Block] Inventories Inventory Policy [Text Block] Property, Plant and Equipment Property Plant And Equipment Policy [Text Block] Intangible Assets Intangible Assets Finite Lived Policy Goodwill Goodwill And Intangible Assets Goodwill Policy Foreign Currency Translation Foreign Currency Transactions And Translations Policy [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income Policy Policy [Text Block] Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Revenue recognition by product. Revenues by Product Revenue Recognition By Product Policy [Text Block] Revenue recognition by geographic area. Revenues by Geographic Area Revenue Recognition By Geographic Area Policy [Text Block] Customer and Vendor Concentrations Major Customers Policy Policy [Text Block] Deferred Revenue Revenue From Contract With Customer Policy [Text Block] Summary of Available-for-sale Securities Debt Securities Available For Sale Table [Text Block] Summary of Change in Contingent Consideration Schedule Of Business Acquisitions By Acquisition Contingent Consideration [Text Block] Schedule of Inventories Schedule Of Inventory Current Table [Text Block] Computations of Basic and Diluted Earnings (Loss) Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Disaggregation of Revenue by Product and Geographic Area Disaggregation Of Revenue Table [Text Block] Schedule of accrued expenses and other current liabilities. Schedule of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Expenses And Other Current Liabilities Table [Text Block] Summary of Components of Lease Expense Lease Cost Table [Text Block] Schedule of supplemental cash flow information related to leases. Summary of Supplemental Cash Flow Information Related to Leases Schedule Of Supplemental Cash Flow Information Related To Leases Table [Text Block] Schedule of supplemental balance sheet information related to leases. Summary of Supplemental Balance Sheet Information Related to Leases Schedule Of Supplemental Balance Sheet Information Related To Leases Table [Text Block] Lessee operating and financing lease term and discount rate. Summary of Lease Term and Discount Rate Lessee Operating And Financing Lease Term And Discount Rate Table [Text Block] Lessee operating and finance lease liability maturity. Schedule of Minimum Lease Payments by Period Expected Lessee Operating And Finance Lease Liability Maturity Table [Text Block] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Performance based restricted stock unit. Performance Based Restricted Stock Unit [Member] Performance Based Restricted Stock Unit [Member] Summary of Reconciliation of Changes in Stockholders' Equity Schedule Of Stockholders Equity Table [Text Block] Summary of Company's Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Time-Vested Restricted Stock Award and Restricted Stock Units Activity Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block] Summary of Performance Based Restricted Stock Unit Award Activity Under Stock Plan Schedule Of Share Based Compensation Activity Table [Text Block] Summary of Operating Segment and Asset Information Schedule Of Segment Reporting Information By Segment [Text Block] Number of Segments of company Number Of Operating Segments Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Guaranteed investment certificates. Guaranteed Investment Certificates [Member] Guaranteed Investment Certificates [Member] Corporate bonds. Corporate Bonds [Member] Corporate Bonds [Member] Maturity of available for sale security less than one year. Less Than One Year [Member] Maturity Of Available For Sale Security Less Than One Year [Member] Maturity of available for sale security greater than one year. Greater Than One Year [Member] Maturity Of Available For Sale Security Greater Than One Year [Member] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Amortized Cost Available For Sale Securities Amortized Cost Gross Unrealized Gains Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax Gross Unrealized Losses Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax Fair Value Available For Sale Securities New Accounting Pronouncements Or Change In Accounting Principle [Table] New Accounting Pronouncements Or Change In Accounting Principle [Table] Cash and Cash Equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Money Market Fund [Member] Money Market Funds [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level I Instruments [Member] Fair Value Inputs Level1 [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Long-Lived Tangible Asset Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Buildings [Member] Building [Member] Computer Equipment [Member] Computer Equipment [Member] Machinery and Equipment [Member] Machinery And Equipment [Member] Furniture and Fixtures [Member] Furniture And Fixtures [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] Fair value of plan assets Deferred Compensation Plan Assets Estimated useful lives of assets Property Plant And Equipment Useful Life Accumulated depreciation of property and equipment Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Intangible Assets, Amortization Period (Years) Finite Lived Intangible Asset Useful Life Accumulated amortization of intangible assets Finite Lived Intangible Assets Accumulated Amortization Intangible Assets, Net Intangible Assets Net Excluding Goodwill Intangible Assets, Accumulated Amortization Amortization Of Intangible Assets Intangible Assets, Foreign currency translation losses Finite Lived Intangible Assets Foreign Currency Translation Gain Loss Amount of goodwill at period end Goodwill, acquired during period Goodwill Acquired During Period Adjustment in goodwill associated with foreign currency translation Goodwill Foreign Currency Translation Gain Loss Net foreign exchange gains (losses) Foreign Currency Transaction Gain Loss Before Tax Accumulated foreign currency adjustments included in other comprehensive loss amounted Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax Unrealized loss on marketable securities Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] UrSure Inc. UrSure Inc [Member] Ur Sure Inc [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Purchase price Payments To Acquire Businesses Gross Acquisition-related costs Business Combination Acquisition Related Costs Business combination contingent consideration expected payment period. Business acquisition contingent consideration, non-current Business combination contingent consideration expected payment period Business Combination Contingent Consideration Expected Payment Period Estimated fair value of contingent consideration Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Contingent Liability Business combination contingent consideration payments. Business Combination Contingent Consideration Arrangements [Abstract] Beginning Balance Business Combination Contingent Consideration Liability Payments made during the period Business Combination Contingent Consideration Payments Change in fair value during the period Ending Balance Inventory Net [Abstract] Raw materials Inventory Raw Materials Net Of Reserves Work in process Inventory Work In Process Finished goods Inventory Finished Goods Net Of Reserves Inventories Pre-launch inventory associated with COVID products. Pre-launch inventory associated with COVID products Pre Launch Inventory Associated With C O V I D Products Dilutive effect of stock options, restricted stock, and performance stock units Incremental Common Shares Attributable To Share Based Payment Arrangements Diluted 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 Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Common stock options unvested restricted stock and unvested performance units. Common Stock Options Unvested Restricted Stock and Unvested Performance Stock Units [Member] Common Stock Options Unvested Restricted Stock And Unvested Performance Units [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Number of anti-dilutive securities excluded from EPS computation Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Table] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Product and Services Revenues [Member] Sales [Member] Other [Member] Other Income [Member] Infectious disease testing. Infectious Disease Testing [Member] Infectious Disease Testing [Member] Risk assessment testing. Risk Assessment Testing [Member] Risk Assessment Testing [Member] Genomics. Genomics [Member] Genomics [Member] Microbiome. Microbiome [Member] Microbiome [Member] COVID-19. COVID-19 [Member] C O V I D19 [Member] Laboratory services. Laboratory Services [Member] Laboratory Services [Member] Other product and service revenues. Other Product and Service Revenues [Member] Other Product And Service Revenues [Member] Royalty income. Royalty Income [Member] Royalty Income [Member] Other non product revenues. Other Non Product Revenues [Member] Other Non Product Revenues [Member] Disaggregation Of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Net revenues Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] United States [Member] UNITED STATES Europe [Member] Europe [Member] Other foreign countries. Other Regions [Member] Other Foreign Countries [Member] Revenue from contract with customer. Revenue from contract with customer. Revenue From Contract With Customer [Table] Revenue From Contract With Customer [Table] Customer Major Customers [Axis] Customer Name Of Major Customer [Domain] Customer. Customer [Member] Customer [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Accounts Receivable [Member] Accounts Receivable [Member] Net Consolidated Revenue [Member] Sales Revenue Net [Member] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Deferred Revenue Arrangement Type Deferred Revenue Arrangement Type [Axis] Deferred Revenue Deferred Revenue Arrangement Type [Domain] Up Front Payment Arrangement [Member] Up Front Payment Arrangement [Member] Contract with Customer, Duration Contract With Customer Duration [Axis] Contract with Customer, Duration Contract With Customer Duration [Domain] Long-term Contract [Member] Long Term Contract With Customer [Member] Revenue from contract with customer [Line Items] Revenue From Contract With Customer [Line Items] Percentage of concentration risk Concentration Risk Percentage1 Accrued Liabilities Current [Abstract] Payroll and related benefits Employee Related Liabilities Current Professional fees Accrued Professional Fees Current Accrued income taxes Accrued Income Taxes Current Sales tax payable Sales And Excise Tax Payable Current Other Other Accrued Liabilities Current Accrued expenses and other current liabilities, Total Lessee, operating and financing lease, remaining lease term. Lessee, operating and finance leases, period of options to terminate. Lessee operating and finance lease existence of option to extend. Lessee, operating and financing lease existence of option to terminate. Lessee Lease Description [Table] Lessee Lease Description [Table] Lessee Lease Description [Line Items] Lessee Lease Description [Line Items] Operating and financing leases, remaining lease terms Lessee Operating And Financing Lease Remaining Lease Term Lessee operating and financing lease existence of option to terminate Lessee Operating And Financing Lease Existence Of Option To Terminate Lessee operating and financing leases, period of options to terminate Lessee Operating And Finance Leases Period Of Options To Terminate Lessee, operating and finance lease, existence of option to extend Lessee Operating And Finance Lease Existence Of Option To Extend Finance lease cost. Finance lease cost. Lease Cost [Abstract] Operating Lease Cost Operating Lease Cost Finance Lease Cost Finance Lease Cost1 [Abstract] Amortization of right-of use assets Finance Lease Right Of Use Asset Amortization Interest on lease liabilities Total Finance Lease Cost Finance Lease Cost Cash paid for amounts included in measurement of lease liabilities. Non cash activity. Cash paid for amounts included in the measurement of lease liabilities: Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] Operating cash flows from operating leases Operating Lease Payments Operating cash flows from financing leases Finance Lease Interest Payment On Liability Financing cash flows from financing leases Non-cash activity: Non Cash Activity [Abstract] Right-of-use assets obtained in exchange for operating lease obligations Right Of Use Asset Obtained In Exchange For Operating Lease Liability Right-of-use assets obtained in exchange for finance lease obligations Right Of Use Asset Obtained In Exchange For Finance Lease Liability Finance lease. Assets And Liabilities Lessee [Abstract] Operating Leases Leases Operating [Abstract] Right-of-use assets Current lease liabilities Non-current lease liabilities Total operating lease liabilities Operating Lease Liability Finance Leases Finance Lease [Abstract] Right-of-use assets Current lease liabilities Non-current lease liabilities Total finance lease liabilities Finance Lease Liability Weighted average remaining lease term. Weighted average discount rate. Weighted Average Remaining Lease Term Weighted Average Remaining Lease Term [Abstract] Weighted-average remaining lease term—operating leases Operating Lease Weighted Average Remaining Lease Term1 Weighted-average remaining lease term—finance leases Finance Lease Weighted Average Remaining Lease Term1 Weighted Average Discount Rate Weighted Average Discount Rate [Abstract] Weighted-average discount rate—operating leases Operating Lease Weighted Average Discount Rate Percent Weighted-average discount rate—finance leases Finance Lease Weighted Average Discount Rate Percent Disclosure Leases Schedule Of Minimum Lease Payments By Period Expected Detail [Abstract] Disclosure Leases Schedule Of Minimum Lease Payments By Period Expected Detail [Abstract] Finance Lease Liabilities, Payments, Due [Abstract] Finance Lease Liabilities Payments Due [Abstract] 2021 (excluding the three months ended March 31, 2021) Finance Lease Liability Payments Remainder Of Fiscal Year 2022 Finance Lease Liability Payments Due Next Twelve Months 2023 Finance Lease Liability Payments Due Year Two 2024 Finance Lease Liability Payments Due Year Three 2025 Finance Lease Liability Payments Due Year Four Thereafter Finance Lease Liability To Be Paid After Year Four Total Minimum Finance Lease Payments Finance Lease Liability Payments Due Less: imputed interest Finance Lease Liability Undiscounted Excess Amount Present Value of Finance Lease Liabilities Operating Lease Liabilities, Payments Due [Abstract] Operating Lease Liabilities Payments Due [Abstract] 2021 (excluding the three months ended March 31, 2021) Lessee Operating Lease Liability Payments Remainder Of Fiscal Year 2022 Lessee Operating Lease Liability Payments Due Next Twelve Months 2023 Lessee Operating Lease Liability Payments Due Year Two 2024 Lessee Operating Lease Liability Payments Due Year Three 2025 Lessee Operating Lease Liability Payments Due Year Four Thereafter Lessee Operating Lease Liability To Be Paid After Year Four Total Minimum Operating Lease Payments Lessee Operating Lease Liability Payments Due Less: imputed interest Lessee Operating Lease Liability Undiscounted Excess Amount Present Value of Operating Lease Liabilities Stock issued during period, shares, vesting of restricted stock and performance stock units. Stock issued during period, value, vesting of restricted stock and performance stock units. Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid In Capital [Member] Accumulated Other Comprehensive Loss [Member] Accumulated Other Comprehensive Income [Member] Accumulated Deficit [Member] Retained Earnings [Member] Beginning Balance Beginning Balance, Shares Shares Issued Common stock issued upon exercise of options Stock Issued During Period Value Stock Options Exercised Common stock issued upon exercise of options, Shares Stock Issued During Period Shares Stock Options Exercised Vesting of restricted stock and performance stock units Stock Issued During Period Value Vesting Of Restricted Stock And Performance Stock Units Vesting of restricted stock and performance stock units, Shares Stock Issued During Period Shares Vesting Of Restricted Stock And Performance Stock Units Purchase and retirement of common shares Stock Repurchased And Retired During Period Value Purchase and retirement of common shares, Shares Stock Repurchased And Retired During Period Shares Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Net income (loss) Ending Balance Ending Balance, Shares Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Stock Option [Member] Employee Stock Option [Member] Restricted Stock [Member] Restricted Stock [Member] Vesting Vesting [Axis] Vesting Vesting [Domain] Share-based Compensation Award, Tranche One [Member] Share Based Compensation Award Tranche One [Member] Share-based Compensation Award, Tranche Two [Member] Share Based Compensation Award Tranche Two [Member] Performance based restricted stock. Performance Based Restricted Stock [Member] Performance Based Restricted Stock [Member] Stock repurchase program. Share Repurchase Program [Member] Stock Repurchase Program [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Total compensation cost Income tax benefit realized from stock option exercises during period Deferred Tax Expense From Stock Options Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward Options, Outstanding, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Options, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Options, Exercised Options, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Options, Outstanding, Ending Balance Restricted stock award and restricted stock units. Restricted Stock Award and Restricted Stock Units [Member] Restricted Stock Award And Restricted Stock Units [Member] Shares, Issued and unvested, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Shares, Vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Shares, Issued and unvested, Ending Balance Vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Performance adjustment Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Period Increase Decrease Number of shares purchased and retired Amount share repurchase program of common shares Stock Repurchase Program Authorized Amount1 Income tax expense (benefit) Number of reportable segments of company Number Of Reportable Segments Depreciation depletion and amortization including other non-cash amortization. Schedule Of Segment Reporting Information By Segment [Table] Schedule Of Segment Reporting Information By Segment [Table] Segments Statement Business Segments [Axis] Segments Segment [Domain] Diagnostics. Diagnostics [Member] Diagnostics [Member] Molecular solutions. Molecular Solutions [Member] Molecular Solutions [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Operating income (loss) Depreciation and amortization Depreciation Depletion And Amortization Including Other Non Cash Amortization Capital expenditures Total assets