Leases [Abstract] Number of operating leases Number Of Operating Leases Number of operating leases. Area under lease Area Of Space Under Lease Area Of Space Under Lease Lease cost Lease, Cost Rent expense Operating Leases, Rent Expense Debt Disclosure [Abstract] Long-term debt and lease financing obligations Schedule of Debt [Table Text Block] Scheduled Future Payments of Principal for Outstanding Debt and Lease Financing Obligations Schedule of Maturities of Long-term Debt [Table Text Block] Accounting Policies [Abstract] Significant Accounting Policies Significant Accounting Policies [Text Block] Investments, Debt and Equity Securities [Abstract] Short-term Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Non cancellable purchase obligations Purchase Obligation Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Business Combinations [Abstract] Sale of Business Business Combination Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Accumulated Deficit Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at (in shares) Shares, Outstanding Balances at Stockholders' Equity Attributable to Parent Impact of accounting policy change Cumulative Effect of New Accounting Principle in Period of Adoption Issuance of common stock net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Issuance of common stock net of issuance costs Stock Issued During Period, Value, New Issues Issuance of common stock for employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock for employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock warrants Adjustments to Additional Paid in Capital, Warrant Issued Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Exercise of common stock warrant, net (in shares) Stock Issued During Period, Shares, Other Exercise of common stock warrants, net Stock Issued During Period, Value, Other Tax payments from shares withheld for equity awards Stock Issued During Period, Value, Restricted Stock Award, Gross Vesting of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Net loss Net Income (Loss) Attributable to Parent Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Balance at (in shares) Balances at Investments that were other-than-temporarily impaired Other than Temporary Impairment Losses, Investments, Available-for-sale Securities Equity [Abstract] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Overallotment option Over-Allotment Option [Member] Selling Stockholder Selling Stockholder [Member] Selling Stockholder [Member] At the market equity offering At The Market Equity Offering [Member] At The Market Equity Offering [Member] Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Proceeds from sale of common stock, net Proceeds from Issuance of Common Stock Proceeds from underwritten public offering after fees and commissions Sale of Stock, Consideration Received on Transaction Sale of Stock, Number of Shares Issued in Transaction Sale of Stock, Number of Shares Issued in Transaction Sale Of Stock, Gross Consideration Received On Transaction Sale Of Stock, Gross Consideration Received On Transaction Sale Of Stock, Gross Consideration Received On Transaction Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions Each share of common stock is entitled to vote Common Stock Votes Per Share 1 Common stock votes per share one. Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock warrants were converted into warrants to purchase common stock (in shares) Conversion Of Preferred Stock Warrants To Common Stock Warrants Shares Conversion Of Preferred Stock Warrants To Common Stock Warrants Shares Exercise price of common stock warrants (in dollars per share) Exercise Price Of Common Stock Warrants Exercise Price Of Common Stock Warrants Segment Reporting [Abstract] Information about Geographic Areas Segment Reporting Disclosure [Text Block] Operating cash flows from operating leases Operating Lease, Payments Weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Tax [Abstract] Change in unrealized gain (loss) on short-term investments Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Corporate debt securities Corporate Debt Securities [Member] U.S. government-related debt securities US Government Agencies Debt Securities [Member] Asset-backed Securities Asset-backed Securities [Member] Corporate equity securities Corporate Equity Securities [Member] Corporate Equity Securities [Member] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-sale [Line Items] Amortized cost Debt Securities, Available-for-sale, Amortized Cost Gross unrealized gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Gross unrealized losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Fair value Debt Securities, Available-for-sale, Current Equity securities, amortized cost Equity Securities, FV-NI, Cost Equity securities, unrealized gain Equity Securities, FV-NI, Unrealized Gain Equity securities, unrealized loss Equity Securities, FV-NI, Unrealized Loss Equity securities, fair value Equity Securities, FV-NI Debt securities and equity securities, amortized cost Debt Securities And Equity Securities, Amortized Cost Debt Securities And Equity Securities, Amortized Cost Debt securities and equity securities, unrealized gains Debt Securities And Equity Securities, Unrealized Gains Debt Securities And Equity Securities, Unrealized Gains Debt securities and equity securities, unrealized losses Debt Securities And Equity Securities, Unrealized Losses Debt Securities And Equity Securities, Unrealized Losses Short-term investments Debt Securities And Equity Securities, Fair Value Debt Securities And Equity Securities, Fair Value Quarterly Financial Information Disclosure [Abstract] Schedule of Condensed Quarterly Financial Data Quarterly Financial Information [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Term Loan Agreement Term Loan Agreement [Member] Term Loan Agreement [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Borrowings under term loan agreements Borrowings Under Term Loan Agreements Borrowings Under Term Loan Agreements Paid in-kind interest on term loan agreements Paid-in-Kind Interest Unamortized debt discounts Unamortized Debt Issuance Expense Long-term debt, net of discounts Long-term Debt and Lease Obligation Fair Value Disclosures [Abstract] Company's Available-for-Sale Securities by Level within Fair Value Hierarchy Fair Value, by Balance Sheet Grouping [Table Text Block] Common Stock and Preferred Stock Stockholders' Equity Note Disclosure [Text Block] Revenue from Contract with Customer [Abstract] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Americas Americas [Member] Europe and Middle East Europe And Middle East [Member] Europe And Middle East [Member] Asia Pacific Asia Pacific [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Instruments Product, Instruments [Member] Product, Instruments [Member] Consumables Product, Consumables [Member] Product, Consumables [Member] In Vitro Diagnostic Kits Product, In Vitro Diagnostic Kits [Member] Product, In Vitro Diagnostic Kits [Member] Total product revenue Product [Member] Service revenue Service [Member] Total product and service revenue Product And Service [Member] Product And Service [Member] Collaboration Collaboration [Member] Collaboration [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Deferred Revenue Disclosure [Abstract] Collaboration Agreements Collaborative Arrangement Disclosure [Text Block] Income Tax Disclosure [Abstract] Loss Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Significant Components of our Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Income Tax Expense (Benefit) Differed from Amounts Computed by Applying Statutory Federal Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Effect of Temporary Differences and Carryforwards Schedule Of Effects Of Temporary Differences That Give Rise To Deferred Tax Assets And Liabilities Table [Text Block] Schedule Of Effects Of Temporary Differences That Give Rise To Deferred Tax Assets And Liabilities Table [Text Block] Summary of Changes in Deferred Tax Asset Valuation Allowance Schedule Of Deferred Tax Assets Valuation Allowance Table [Text Block] Schedule Of Deferred Tax Assets Valuation Allowance Table [Text Block] Total Balance of Unrecognized Gross Tax Benefits Resulting from R&D Credits Claimed Summary of Income Tax Contingencies [Table Text Block] Retirement Benefits [Abstract] Defined Contribution Retirement Plan Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario [Domain] Forecast Forecast [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Veracyte Veracyte, Inc. [Member] Veracyte, Inc. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Consideration transferred Business Combination, Consideration Transferred Cash paid Payments to Acquire Businesses, Gross Shares transferred Business Combination, Shares Transferred Business Combination, Shares Transferred Value of shares transferred Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Fair Value Method Milestone payments Revenue Recognition, Milestone Method, Revenue Recognized Gain on sale of business, net Gain (Loss) on Disposition of Business, Net of Transaction Costs Gain (Loss) on Disposition of Business, Net of Transaction Costs Transaction costs Business Acquisition, Transaction Costs Line of Credit Facility [Table] Line of Credit Facility [Table] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate Prime Rate [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Secured Revolving Loan Facility Secured Revolving Loan Facility [Member] Secured Revolving Loan Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Proceeds from (Repayments of) Debt Proceeds from (Repayments of) Debt Long-term Debt, Gross Long-term Debt, Gross Repayments of Debt Repayments of Debt Credit facility, outstanding Long-term Line of Credit Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Unamortized Debt Issuance Expense Premium on Exercise Price of Additional Warrants, Debt Premium on Exercise Price of Additional Warrants, Debt Premium on Exercise Price of Additional Warrants, Debt Warrants Not Settleable in Cash, Fair Value Disclosure Warrants Not Settleable in Cash, Fair Value Disclosure Percentage of accrue interest Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Percentage of deferred payment Deferred Payment Obligation Accrued Interest Rate Payment-in-kind percentage as agreed upon in the financing agreement to defer interest payments. Upfront Debt Fee, Percentage Upfront Debt Fee, Percentage Upfront Debt Fee, Percentage Credit facility, additional borrowing capacity Line Credit Facility Additional Borrowing Capacity Line Credit Facility Additional Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Borrowings under term loan agreements Loans Payable Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Percentage of redemption fee Debt Instrument, Redemption Price, Percentage Minimum Liquidity Covenant Amount Minimum Liquidity Covenant Amount Minimum Liquidity Covenant Amount Percentage payment up on repayment of principal amount Line of Credit Facility, Commitment Fee Percentage Long term liability Long-term Line of Credit, Noncurrent Warrants Issued with Debt Warrants Issued with Debt Warrants Issued with Debt Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights, Future Draw, Percentage Of Diluted Shares Outstanding Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights, Future Draw, Percentage Of Diluted Shares Outstanding Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights, Future Draw, Percentage Of Diluted Shares Outstanding Interest expense Interest Expense Interest Expense, Debt Interest Expense, Debt Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash used in operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Stock-based compensation expense Share-based Payment Arrangement, Expense Non-cash operating lease cost Operating Lease, Right-Of-Use Assets, Amortization Operating Lease, Right-Of-Use Assets, Amortization Repayment of accrued interest of long-term debt Repayment Of Accrued Interest Of Long Term Debt Repayment Of Accrued Interest Of Long Term Debt Gain on sale of business Gain (Loss) on Disposition of Business Gain on equity securities Gain (Loss) on Sale of Investments Loss on extinguishment of long-term debt Amortization (accretion) of discount or premium on short-term investments Investment Income, Net, Amortization of Discount and Premium Amortization of deferred financing costs Interest Accrued On Long Term Notes Interest expense incurred, not yet paid, on all other long-term debt, which may include (1) interest on long-term notes, and (2) amortization of issuance costs not otherwise separately disclosed. Conversion of accrued interest to long-term debt Conversion Of Accrued Interest To Long Term Debt Conversion Of Accrued Interest To Long Term Debt Loss on disposal of property and equipment Gain (Loss) on Disposition of Assets Provision for bad debt Accounts Receivable, Credit Loss Expense (Reversal) Provision for inventory obsolescence Inventory Write-down Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Accrued compensation and other employee benefits Increase (Decrease) in Employee Related Liabilities Customer deposits Increase (Decrease) in Customer Deposits Deferred revenue Increase (Decrease) in Deferred Revenue Operating lease liabilities Increase (Decrease) In Operating Lease Liabilities Increase (Decrease) In Operating Lease Liabilities Deferred rent and other liabilities Increase (Decrease) In Deferred Rent And Other Operating Liabilities Increase (Decrease) in Deferred Rent and Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of business Proceeds from Divestiture of Businesses Proceeds from sale of short-term investments Proceeds from Sale of Short-term Investments Proceeds from maturity of short-term investments Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Purchases of short-term investments Payments to Acquire Available-for-sale Securities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Proceeds from long-term debt Proceeds from Issuance of Long-term Debt Deferred costs related to long-term debt Payments of Financing Costs Repayment of long-term debt and lease financing obligations Repayments of Long-term Capital Lease Obligations Fees paid upon extinguishment of debt Payment for Debt Extinguishment or Debt Prepayment Cost Proceeds from issuance of common stock warrants Proceeds from Issuance of Warrants Proceeds from issuance of common stock for employee stock purchase plan Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised Tax withholdings related to net share settlements of restricted stock units Restricted Stock, Value, Shares Issued Net of Tax Withholdings Proceeds from exercise of stock options Proceeds from Stock Options Exercised Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Cash and cash equivalents and restricted cash Cash and Cash Equivalents, at Carrying Value [Abstract] Beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents End of year Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted Cash Restricted Cash Supplemental disclosures Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Fair value of warrants issued with long-term debt Fair Value Of Warrants Issued With Long-Term Debt Fair Value Of Warrants Issued With Long-Term Debt Cash paid for taxes Income Taxes Paid, Net Rental instruments reclassified from inventory Rental Instruments Reclassified From Inventory Rental instruments reclassified from inventory. Operating lease right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Common stock received for sale of a business License And Sale Of Intellectual Property For Common Stock License And Sale Of Intellectual Property For Common Stock Non-cash inventory exchanged for services Inventory Exchanged for Services Inventory exchanged for services rendered. Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of the Business Business Description and Basis of Presentation [Text Block] Less Than 12 Months, Fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less Than 12 Months, Gross unrealized loss Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 Months or Greater, Fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 Months or Greater, Gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total, Fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total, Gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized tax benefits at beginning of year Unrecognized Tax Benefits Additions based on current year tax positions Unrecognized Tax Benefits Increase Decreases Resulting From Current Period Tax Positions Unrecognized tax benefits increase decreases resulting from current period tax positions. Unrecognized tax benefits at end of year Accounting Principles and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Concentration of Credit Risks Concentration Risk, Credit Risk, Policy [Policy Text Block] Fair value of financial instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Inventory Inventory, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Leases and Leasehold Improvements Lessee, Leases [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Segments Segment Reporting, Policy [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Cost of Revenue Cost of Goods and Service [Policy Text Block] Reserve for Product Warranties Extended Product Warranty, Policy [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Selling, General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Guarantees and Indemnifications Guarantees, Indemnifications and Warranties Policies [Policy Text Block] Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Recently Adopted Accounting Pronouncement and Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Net Loss Per Share Earnings Per Share, Policy [Policy Text Block] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Manufacturing equipment Manufacturing Equipment [Member] Manufacturing Equipment [Member] Lease and loaner instruments Lease And Loaner Instruments [Member] Lease And Loaner Instruments [Member] Prototype instruments Prototypes And Other Equipment [Member] Prototypes And Other Equipment [Member] Computer equipment Computer Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction in Progress [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Useful Life (Years) Property, Plant and Equipment, Useful Life Property and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment, net Property, Plant and Equipment, Net Classification of Revenue by Geography Revenue from External Customers by Geographic Areas [Table Text Block] Earnings Per Share [Abstract] 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 [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Options to purchase common stock Share-based Payment Arrangement, Option [Member] Restricted stock units Restricted Stock Units (RSUs) [Member] Common stock warrants Warrant [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Research and development tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Deferred Tax Assets, Tax Credit Carryforwards, Foreign Deferred Tax Assets, Tax Credit Carryforwards, Foreign Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Less: Valuation allowance Deferred Tax Assets, Valuation Allowance Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Summary of Outstanding Options, Warrants and preferred stock were Excluded from Computation of Diluted Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Revenue from Contract with Customer Revenue from Contract with Customer [Text Block] Statement of Financial Position [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Inventory Disclosure [Abstract] Inventory Inventory Disclosure [Text Block] Document And Entity Information [Abstract] Document And Entity Information. 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 Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Share-based Payment Arrangement [Abstract] Stock Option Activity and Related Information Share-based Payment Arrangement, Option, Activity [Table Text Block] Company's Options Outstanding Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Restricted Stock Units Award Activity Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Stock Compensation Expense Share-based Payment Arrangement, Cost by Plan [Table Text Block] Fair Value of Employee Option Grant Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Celgene Corporation Celgene Corporation [Member] Celgene Corporation [Member] Merck Sharp & Dohme Corp. Merck Sharp And Dohme Corporation [Member] Merck Sharp And Dohme Corporation [Member] Medivation, Inc. and Astellas Pharma, Inc. Medivation, Inc. and Astellas Pharma, Inc. [Member] Medivation, Inc. and Astellas Pharma, Inc. [Member] Lam Research Corporation Lam Research Corporation [Member] Lam Research Corporation Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement Collaborative Arrangement [Member] Development Funding Development Funding [Member] Development Funding [Member] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type [Axis] Deferred Revenue [Domain] Deferred Revenue [Domain] Upfront Payment Arrangement Up-front Payment Arrangement [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaboration agreement upfront payment Deferred Revenue, Additions Proceeds from Collaborators Proceeds from Collaborators Collaboration Maximum Amount Of Royalties Payable, Ratio To License And Service Revenue Maximum Amount Of Royalties Payable, Ratio To License And Service Revenue Maximum Amount Of Royalties Payable, Ratio To License And Service Revenue Reimbursement Of Counterparty Costs, Maximum Number Of Employees Reimbursement Of Counterparty Costs, Maximum Number Of Employees Reimbursement Of Counterparty Costs, Maximum Number Of Employees Class of Warrant or Right, Outstanding Class of Warrant or Right, Outstanding Exercise Price Of Common Stock Warrants Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Other Liabilities, Current Other Liabilities, Current nstg_ReimbursementOfCounterpartyCosts nstg_ReimbursementOfCounterpartyCosts nstg_ReimbursementOfCounterpartyCosts Total revenue Revenues Product and service gross profit Gross Profit Earnings Per Share, Basic Earnings Per Share, Basic Net loss per share - 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Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Non-vested at December 31, 2016 (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range [Table] Share-based Payment Arrangement, Option, Exercise Price Range [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Exercise Price Range [Domain] Exercise Price Range [Domain] $1.92 Exercise Price Range One [Member] Exercise Price Range One [Member] $2.24 – $6.72 Exercise Price Range Two [Member] Exercise Price Range Two [Member] $6.80 – $12.56 Exercise Price Range Three [Member] Exercise Price Range Three [Member] $12.77 Exercise 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Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Net Revenue Benchmark [Member] Accounts Receivable [Member] Accounts Receivable [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Prototype Systems Prototype Systems [Member] Prototype Systems [Member] Inventory Valuation Reserve SEC Schedule, 12-09, Reserve, Inventory [Member] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Extended line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Concentration Risk, Percentage Concentration Risk, Percentage Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Allowance for doubtful accounts, additions Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Write-offs of uncollectible accounts Accounts Receivable, Allowance for Credit Loss, Writeoff Inventory reserves Inventory Valuation Reserves Inventory reserves additions Inventory Valuation Reserves Additions Inventory valuation reserves additions. Estimated useful lives of the assets Impairment of long-lived assets Impairment of Long-Lived Assets to be Disposed of Number of reportable segments Number of Reportable Segments Extended warranty period Extended Product Warranty Period The extended product warranty liability period. Does not include increases or decreases in the standard warranty liability. Standard warranty period Standard Product Warranty Period The standard product warranty liability period. Does not include increases or decreases in an extended warranty liability. Product warranty accrual period Product Warranty Accrual Period The period of accrual amount as of the balance sheet date of the aggregate extended product warranty liability is amortized. 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