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Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Loss on lease termination and right-of-use asset impairment charges Gain (Loss) On Termination Of Lease And Operating Lease, Impairment Loss Gain (Loss) On Termination Of Lease And Operating Lease, Impairment Loss Lease term Lessee, Operating Lease, Term of Contract PEO Name PEO Name Debt instrument, convertible, threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Geographical Geographical [Axis] Income taxes (refunded) paid Income Tax Paid, before Refund Received Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss [Roll 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Medical Acquisition [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Foreign exchange losses Gain (Loss), Foreign Currency Transaction, after Tax Payments of cash Payments to Acquire Businesses, Gross Equity method investment, ownership percentage (less than) Equity Method Investment, Ownership Percentage Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Total lease cost Lease, Cost Awards granted under the ESPP Awards to be granted under the ESPP Employee Stock [Member] Investment, Name [Domain] Investment, Name [Domain] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Raw materials Inventory, Raw Materials, Gross Convertible Senior Notes Convertible Senior Notes [Member] Convertible Senior Notes [Member] Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Range [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term senior convertible notes Long-Term Debt, Excluding Current Maturities Schedule of the Effect of Foreign Currency Forward Contracts Designated as Hedging Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Award Type [Axis] Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Debt instrument, convertible, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Unrealized gain (loss) on cash flow hedges Unrealized gain (loss) on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Pump Pump [Member] Pump Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Estimated Fair Value Available-for-sale securities Debt Securities, Available-for-Sale Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Operating lease cost (before sublease income) Operating Lease, Cost Litigation and settlement expense Litigation Settlement, Fee Expense Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] International Non-US [Member] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Contractual interest expense Interest Expense, Debt, Excluding Amortization Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Concentration risk Concentration Risk, Percentage Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Accounts Receivable Receivable [Policy Text Block] Equity Awards Adjustments Equity Awards Adjustments [Member] Unrealized loss of foreign currency Unrealized Loss On Derivatives Unrealized Loss On Derivatives Schedule of Convertible Senior Notes Convertible Debt [Table Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Capillary Biomedical Capillary Biomedical [Member] Capillary Biomedical [Member] Supplies and other Supplies and Other [Member] Supplies and Other Options to purchase common stock Share-based Payment Arrangement, Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tabular List, Table Tabular List [Table Text Block] Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Total other income (expense), net Other Nonoperating Income (Expense) Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Adjustment to Compensation: Adjustment to Compensation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Foreign exchange forward contracts Foreign Exchange Forward [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets Assets, Fair Value Disclosure Equity Method Investments Investment, Policy [Policy Text Block] Revenue, Product and Service Benchmark Revenue, Product and Service Benchmark [Member] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Short-term investments Short-Term Investments Price of acquisition, expected Asset Acquisition, Price of Acquisition, Expected Name Trading Arrangement, Individual Name Shares underlying outstanding stock options Stock Options Issued And Outstanding [Member] Stock options issued and outstanding. Cash and cash equivalents Cash and Cash Equivalent Headquarters Lease Phase II Headquarters Lease Phase II [Member] Headquarters Lease Phase II Additional principal amount Debt Instrument, Additional Principal Amount Debt Instrument, Additional Principal Amount Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization expense Depreciation, Depletion and Amortization Other long-term liabilities Product Warranty Accrual, Noncurrent Amortization of discount or (accretion of premium) on short-term investments Investment Income, Net, Amortization of Discount and Premium Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Current assets: Assets, Current [Abstract] Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Foreign exchange forward contracts Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense (benefit) Income Tax Expense (Benefit) Customer Concentration Risk Customer Concentration Risk [Member] Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Research and development Research and Development Expense (Excluding Acquired in Process Cost) Net loss Net loss Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Number of shares issued by each warrant (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Principal amount Debt Conversion, Converted Instrument, Amount Settlement agreement Litigation Settlement, Amount Awarded to Other Party Operating Lease Right-of-Use Assets and Liabilities Lessee, Leases [Policy Text Block] Shares authorized for future equity award grants Authorized For Future Option Grants [Member] Authorized for future option grants. Debt instrument, convertible, threshold trading days consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Warranty Reserve Standard Product Warranty, Policy [Policy Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Minimum age of employees for defined contribution plan Defined Contribution Plan Minimum Age Of Employee Defined contribution plan minimum age of employee. Shares authorized for issuance pursuant to awards granted under the ESPP Share-Based Payment Arrangement [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]