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SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Long-term Contract Long-Term Contract with Customer [Member] OTHER INCOME Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Restructuring Type [Axis] Restructuring Type [Axis] Statement [Table] Statement [Table] Acquisition-related contingent consideration obligation Business Combination, Contingent Consideration, Liability, Noncurrent Current Fiscal Year End Date Current Fiscal Year End Date Accrued property and equipment purchases under government contracts Accrued Property and Equipment Purchases under Government Contracts Accrued property and equipment purchases under government contracts. Sales tax payable Sales and Excise Tax Payable, Current Termination Benefits [Table] Termination Benefits [Table] Termination benefits. 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Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Cash and Cash Equivalents Cash and Cash Equivalents [Domain] STOCKHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Common stock issued upon exercise of options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period COVID-19 C O V I D19 [Member] COVID-19. Document Fiscal Period Focus Document Fiscal Period Focus COST OF PRODUCTS AND SERVICES SOLD Cost of goods sold Cost of Goods and Services Sold Antidilutive Securities Antidilutive Securities [Axis] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Accumulated Other Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] 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 New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Common Stock Common Stock [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Level I Instruments Fair Value, Inputs, Level 1 [Member] Greater than one year, fair value Debt Securities, Available-for-Sale, Noncurrent City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Income (Loss) Per Share Earnings Per Share [Text Block] Product and Service Product and Service [Axis] Income Statement Location Income Statement Location [Domain] Goodwill Goodwill Equity Components Equity Components [Axis] Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Financial Instruments Financial Instruments [Domain] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities Guaranteed Investment Certificates Guaranteed Investment Certificates [Member] Guaranteed investment certificates. Document Fiscal Year Focus Document Fiscal Year Focus Geographical Geographical [Domain] Entity Small Business Entity Small Business Local Phone Number Local Phone Number Accounts receivable Increase (Decrease) in Accounts Receivable Unrealized foreign currency gain Unrealized Gain (Loss), Foreign Currency Transaction, before Tax WEIGHTED-AVERAGE SHARES OUTSTANDING: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property, plant and equipment, net of accumulated depreciation of $84,168 and $69,881 Total property, plant and equipment, net Property, Plant and Equipment, Net Accounts Receivable Accounts Receivable [Member] Unrealized gain on marketable securities Unrealized gain on marketable securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Statement of Cash Flows [Abstract] ASSETS Assets [Abstract] Operating lease liability Operating Lease, Liability, Noncurrent Net foreign exchange gains (losses) Gain (Loss), Foreign Currency Transaction, before Tax Billed receivables Billed Contracts Receivable Cash (refunds) paid for income taxes Income Taxes Paid, Net Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Deferred tax asset Deferred Income Tax Assets, Net Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Income Statement Location Income Statement Location [Axis] Accumulated Deficit Retained Earnings [Member] TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Other noncurrent assets Other Assets, Noncurrent Other regions Other Foreign Countries [Member] Other foreign countries. BASIC (in USD per share) Earnings Per Share, Basic Operating right-of-use assets, net Operating Lease, Right-of-Use Asset Accounting Policies [Abstract] Accounting Policies [Abstract] Europe Europe [Member] One-time Termination Benefits One-time Termination Benefits [Member] Loss on sale of fixed assets Gain (Loss) on Disposition of Assets Payables and Accruals [Abstract] Payables and Accruals [Abstract] Corporate Bonds Corporate Bonds [Member] Corporate bonds. Foreign earnings repatriated Foreign Earnings Repatriated Proceeds from funding under government contract Proceeds From Funding Under Government Contract Proceeds from funding under government contract Product and Service Product and Service [Domain] Revenue From Contract With Customer [Table] Revenue From Contract With Customer [Table] Revenue from contract with customer. 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Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] HIV HIV [Member] HIV. Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Intangible assets, net of accumulated amortization of $27,336 and $31,077 Finite-Lived Intangible Assets, Net Accumulated amortization of intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Reduction for funding earned to date, not yet received Funding Earned Not Yet Received Funding earned in relation to capital-related costs incurred, which is recorded as a reduction to the cost of property, plant and equipment. Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Government Contract Government Contract [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Other non-cash amortization Increase Decrease In Other Non Cash Amortization Increase decrease in other non-cash amortization. Gross profit Gross Profit OTHER COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Deferred revenue Contract with Customer, Liability, Current Security Exchange Name Security Exchange Name Deferred income taxes Deferred Income Tax Expense (Benefit) Revenue from contract with customer [Line Items] Revenue From Contract With Customer [Line Items] Revenue from contract with customer. 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Work in process Inventory, Work in Process, Gross COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss), Net of Tax, Attributable to Parent AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Document Type Document Type Contract with Customer, Duration Contract with Customer, Duration [Axis] Customer One Customer One [Member] Customer One [Member] Computer equipment and software Computer Equipment And Software [Member] Computer equipment and software. Entity Address, Address Line One Entity Address, Address Line One Entity Registrant Name Entity Registrant Name Termination Benefits [Line Items] Termination Benefits [Line Items] Termination benefits. Risk assessment testing Risk Assessment Testing [Member] Risk assessment testing. Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Reduced cost of products and services sold Increase Decrease In Cost Of Products And Services Sold Increase decrease in cost of products and services sold. Cost of products and services sold Cost of Sales [Member] Change in the estimated fair value of acquisition-related contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Principles of Consolidation and Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Purchases of short-term investments Payments to Acquire Debt Securities, Available-for-Sale Document Period End Date Document Period End Date Accumulated depreciation of property and equipment Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Product and Services Revenues Sales [Member] Finance lease liability Finance Lease, Liability, Noncurrent Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Entity Central Index Key Entity Central Index Key Subsequent Event Subsequent Event [Member] Customer Concentration Risk Customer Concentration Risk [Member] Service Life Service Life [Member] INCOME TAX (BENEFIT) EXPENSE Income tax expense (benefit) Income Tax Expense (Benefit) Finished goods Inventory, Finished Goods, Net of Reserves Income Statement [Abstract] Income Statement [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Finance right-of-use assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Title of 12(b) Security Title of 12(b) Security Payroll and related benefits Employee-related Liabilities, Current Number of operating segments Number of Operating Segments Up-Front Payment Up-Front Payment [Member] Up-Front Payment Net Consolidated Revenue Revenue Benchmark [Member] Other comprehensive gain Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Disaggregation of Revenue by Product and Geographic Area Disaggregation of Revenue [Table Text Block] Summary of One-Time Termination Benefits Summary Of One-Time Termination Benefits [Table Text Block] Summary of one-time termination benefits. Equity [Abstract] Equity [Abstract] Schedule of Available-for-sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Inventories Inventory Disclosure [Text Block] Other current assets Total other current assets Other Assets, Current Total revenue Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Amendment Flag Amendment Flag Reduction for funding received to date Funding Received Amount Funding received amount Research and Development Expenses and Other Income Research and Development Expenses and Other Income [Member] Research and development expenses and other income. Estimated fair value on manufacturing equipment and various market data points Estimated Fair Value On Manufacturing Equipment And Various Market Data Points Estimated fair value on manufacturing equipment and various market data points. Money Market Fund Money Market Funds [Member] Contract With Customer, Payment Type [Axis] Contract With Customer, Payment Type [Axis] Contract With Customer, Payment Type Cash and Cash Equivalents Cash and Cash Equivalents [Axis] Entity Tax Identification Number Entity Tax Identification Number Inventories Inventories Inventory, Net Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Land Land [Member] Purchase and retirement of common shares (in shares) Stock Repurchased and Retired During Period, Shares Financial Instrument Financial Instrument [Axis] Entity Interactive Data Current Entity Interactive Data Current Payment of reduction in workforce Payment Of Reduction In Workforce Payment of reduction in workforce. Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Schedule Of Available For Sale Securities [Table] Debt Securities, Available-for-Sale [Table] Leasehold Improvements Leasehold Improvements [Member] Repurchase of common stock Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Sales and marketing Selling and Marketing Expense [Member] Schedule of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Expenses And Other Current Liabilities Table [Table Text Block] Schedule of accrued expenses and other current liabilities. DILUTED (in shares) Weighted Average Number of Shares Outstanding, Diluted Molecular Products Molecular Products [Member] Molecular products. Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Molecular Services Molecular Services [Member] Molecular services. Fair value of plan assets Deferred Compensation Plan Assets Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Summary of Reconciliation of Changes in Stockholder's Equity Schedule of Stockholders Equity [Table Text Block] Government capital contracts funding amount Government Contract Receivable Accumulated deficit Retained Earnings (Accumulated Deficit) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Deferred Revenue Revenue from Contract with Customer [Policy Text Block] OPERATING EXPENSES: Operating Expenses [Abstract] Revenues Revenue from Contract with Customer [Text Block] Contract with Customer, Duration Contract with Customer, Duration [Domain] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Additional paid-in capital Additional Paid in Capital, Common Stock Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Additional Paid-in Capital Additional Paid-in Capital [Member] Current Assets: Assets, Current [Abstract] Impairment of Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities. CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS, END OF PERIOD Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations TOTAL ASSETS Assets Entity Address, State or Province Entity Address, State or Province Cover [Abstract] Cover [Abstract] OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition United States UNITED STATES Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Proceeds from maturities and redemptions of short-term investments Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Accrued reduction in workforce Accrued Reduction in Workforce Accrued reduction in workforce. Other noncurrent liabilities Other Liabilities, Noncurrent Short-term investments Short-Term Investments Construction in progress Construction in Progress [Member] Contract With Customer, Payment Type [Domain] Contract With Customer, Payment Type [Domain] Contract With Customer, Payment Type [Domain] Total noncurrent assets Assets, Noncurrent Total operating expenses Operating Expenses Business Segments Segment Reporting Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Summary of Government Contracts Balances Included in Consolidated Statements of Cash flows Summary Of Government Contracts Balances Included In Consolidated Statements Of Cash Flow [Table Text Block] Summary of government contracts balances included in consolidated statements of cash flow. 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NET REVENUES: Revenues [Abstract] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Products and services Product And Services [Member] Products and services. Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Reimbursement of engineering cost Reimbursement of Engineering Cost Reimbursement of engineering cost. 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