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IP license I P License [Member] IP license [Member]. Common stock Common Stock [Member] City Area Code City Area Code Entity Address Postal Zip Code Entity Address, Postal Zip Code Tax refund receivable Tax Refund Receivable And Payable Tax Refund Receivable And Payable Net loss per share Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] Leases term under operating lease agreements Lessee, Operating Lease, Term of Contract Investments [Abstract] Investments [Abstract] Minimum Minimum [Member] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Reagent license Reagent License [Member] Reagent License [Member] Direct sales channel Sales Channel, Directly to Consumer [Member] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] 2021 Employee Stock Purchase Plan Two Thousand And Twenty One Employee Stock Purchase Plan [Member] Two Thousand And Twenty One Employee Stock Purchase Plan [Member] Cash Cash Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets Assets [Abstract] Customer deposits, which are included in 'Other current liabilities' Customer deposits Customer Deposit Liability Current Customer deposit liability current. Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Supplemental Balance Sheet Information Related to Leases Schedule of Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule of Supplemental Balance Sheet Information Related To Leases Table Text Block Operating lease liabilities Increase (Decrease) in Operating Lease Liability Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest U.S. Treasury US Treasury Securities [Member] Cash paid for taxes Income Taxes Paid, Net Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Balance, beginning of the period Balance, end of period Standard Product Warranty Accrual Schedule of Financial Instruments Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Net loss per share, diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share FCI developed technology Developed Technology Intangible Assets Developed Technology Rights [Member] Accumulated deficit Retained Earnings [Member] Accrual for current year warranties Standard Product Warranty Accrual, Increase for Warranties Issued Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Other noncurrent assets Other Assets, Noncurrent Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Unrecognized stock-based compensation expense related to unvested stock options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Shares issued in connection with employee stock plans Stock Issued During Period, Value, Employee Stock Purchase Plan Accounting Policies [Abstract] Accounting Policies [Abstract] Sale of Stock Sale of Stock [Domain] Contract liabilities Contract Liability Policy [Policy Text Block] Contract liability policy text block. Product warranty Product Warranty Disclosure [Text Block] 2024 (excluding the three months ended March 31, 2024) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Net loss, diluted Net Income (Loss) Available to Common Stockholders, Diluted Entity Address City Or Town Entity Address, City or Town Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Amnis ImageStream developed technology Amnis ImageStream Developed Technology [Member] Amnis ImageStream Developed Technology Principles of consolidation Consolidation, Policy [Policy Text Block] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Balance sheet details Supplemental Balance Sheet Disclosures [Text Block] Unrealized gain (loss) on marketable securities Accumulated Marketable Securities Unrealized Gain Loss Accumulated Marketable Securities Unrealized Gain Loss Document Transition Report Document Transition Report Distributor channel Sales Channel, Through Intermediary [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Proceeds from maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities Trade accounts payable Increase (Decrease) in Accounts Payable Common stock, shares authorized (in shares) Common Stock, Shares Authorized Raw materials Inventory, Raw Materials, Gross Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Common stock purchased value Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Long term debt Long-Term Debt, Gross Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Schedule of Legal Settlement Liability Schedule Of Legal Settlement Liability [Table Text Block] Schedule of legal settlement liability. Dilutive Share Dilutive Share [Member] Dilutive Share Annual increase to common stock reserved for issuance Share Based Compensation Arrangement Annual Increase in Common Stock Reserved for Issuance as Percentage of Common Stock Outstanding on Preceding Fiscal Year End Date Share based compensation arrangement annual increase in common stock reserved for issuance as percentage of common stock outstanding on preceding fiscal year end date. Cash, cash equivalents, and restricted cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Investments Investment [Text Block] Fair Value Finite-Lived Intangible Assets, Fair Value Disclosure Fair value of net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Schedule of Estimated Revenues Expected to be Recognized in the Future Related to Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Additional paid-in capital Additional Paid in Capital Stock repurchase program, commission costs Stock Repurchase Program, Commission Costs Stock Repurchase Program, Commission Costs Debt Conversion [Table] Debt Conversion [Table] Weighted average grant date fair value per share, 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 Proceeds from issuance of common stock under employee stock plans Proceeds from Stock Options Exercised Weighted average exercise price, options forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Income taxes Income Tax, Policy [Policy Text Block] Prepaid expenses and other current assets Total prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Work in progress Inventory, Work in Process, Gross Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Identifiable Intangible Assets Acquired and Their Estimated Useful Lives for Amortization Schedule of identifiable intangible assets acquired and their estimated useful lives for amortization [Table Text Block] Schedule of identifiable intangible assets acquired and their estimated useful lives for amortization Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Accounting Policies [Table] Accounting Policies [Table] Accounting policies. Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Related Party Related Party, Type [Axis] Stock options outstanding, aggregate intrinsic value, beginning balance Stock options outstanding, aggregate intrinsic value, ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Included in other current liabilities: Other Liabilities, Current [Abstract] IP license Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Effect of employee stock plans Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Debt instrument, collateral amount Debt Instrument, Collateral Amount Amnis FlowSight and CellStream developed technology Amnis FlowSight & CellStream Developed Technology [Member] Amnis FlowSight & CellStream Developed Technology Recognized net assets Net Assets Cost of sales Cost of Sales [Member] Document Period End Date Document Period End Date Proceeds from line of credit Proceeds from Lines of Credit Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Weighted average exercise price, options exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of Accounts Receivable, Allowance for Doubtful Debt Accounts Receivable, Allowance for Credit Loss [Table Text Block] Entity Central Index Key Entity Central Index Key Concentrations of credit risk and other risks and uncertainties Concentration Risk Disclosure [Text Block] Basis of presentation and summary of significant accounting policies Basis of Presentation and Significant Accounting Policies [Text Block] Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Total stock-based compensation Share-Based Payment Arrangement, Expense Total intangible assets Finite-Lived Intangible Assets, Gross Benefit from income taxes Benefit from income taxes Benefit from income taxes Income Tax Expense (Benefit) Utilization of allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Writeoff Other Other Current Liabilities Other Other current liabilities, other. Number of operating segments Number of Operating Segments Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Number of stock-based compensation plan Number Of stock-based Compensation Plan Number Of stock-based Compensation Plan Weighted-average remaining lease term - operating leases: Operating Lease, Weighted Average Remaining Lease Term Risks and Uncertainties [Abstract] Risks and Uncertainties [Abstract] Total revenue, net Revenue from Contract with Customer, Excluding Assessed Tax Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash, cash equivalents and restricted cash: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract] Schedule of Weighted Average Valuation Assumptions Used to Calculate the Fair Value of the ESPP for the Initial Offering Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Investment in Cytek Japan Investments and Other Noncurrent Assets [Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Weighted-average discount rate - operating leases: Operating Lease, Weighted Average Discount Rate, Percent Prepaid expenses: Prepaid Expense, Current [Abstract] Credit Facility [Domain] Credit Facility [Domain] Gain on investments, accretion, and amortization, net Loss (Gain) On Investments Accretion And Amortization Net Loss (Gain) On Investments Accretion And Amortization Net Business Combinations Business Combinations Policy [Policy Text Block] Estimated Useful Lives Property, Plant and Equipment, Useful Life Leasehold improvements Leasehold Improvements [Member] Sales and marketing Selling and Marketing Expense [Member] Weighted-average shares used in calculating net loss per share, diluted (in shares) Weighted-average common shares outstanding, attributable to common stockholders, diluted Weighted Average Number of Shares Outstanding, Diluted Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Academia and government Academia And Government [Member] Academia and government member Schedule of Contract with Customer Contract Asset Contract Liability and Receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Schedule of Components of Other Current Liabilities Other Noncurrent Liabilities [Table Text Block] Money market funds Money Market Funds, at Carrying Value Business combination, provisional information, initial accounting incomplete, adjustment, deferred tax assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets Aggregate compensation payable percentage Aggregate Compensation Payable Percentage Aggregate Compensation Payable Percentage Operating expenses: Operating Expenses [Abstract] Revenue from contracts with customers Revenue from Contract with Customer [Text Block] Right-of-use assets obtained in exchange for new lease obligations: Right of Use Assets Obtained in Exchange for New Lease Obligations Abstract Right of use assets obtained in exchange for new lease obligations abstract Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Royalty payment duration Royalty Payment Duration Royalty payment duration. Purchases Accrued Purchases Accrued purchases. Upfront and payment terms Upfront And Payment Terms Upfront and payment terms. Additional paid-in capital Additional Paid-in Capital [Member] Lease expense Lease, Cost [Abstract] Effective income tax rate reconciliation, tax credit, percent Income tax Expense (Benefit) Increase (Decrease), Percent Income tax Expense (Benefit) Increase (Decrease), Percent Weighted average exercise price, options expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Balance Sheet Location [Axis] Balance Sheet Location [Axis] Total assets Assets Proportionate share of Cytek Japan’s earnings Income (Loss) from Equity Method Investments Loss Contingencies [Line Items] Loss Contingencies [Line Items] Aggregate cash consideration Aggregate cash consideration Aggregate cash consideration Revision of Prior Period [Axis] Revision of Prior Period [Axis] Cover [Abstract] Cover [Abstract] Laboratory equipment Equipment [Member] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Other Other Prepaid Expense, Current United States UNITED STATES Employee benefit plan Defined Contribution Plan [Text Block] Fair value of financial instruments Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Mile stone payment Mile Stone Payment Mile stone payment. Other noncurrent liabilities Other Liabilities, Noncurrent Weighted average grant date fair value per share, 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 Total lease payments Lessee, Operating Lease, Liability, to be Paid Segments, Geographical Areas [Abstract] Segments, Geographical Areas [Abstract] Total revenue Revenue, Remaining Performance Obligation, Amount Construction in progress Construction in Progress [Member] Cash paid for amounts included in measurement of lease liabilities: Operating Lease, Liability [Abstract] Noncontrolling interest in consolidated subsidiary Noncontrolling Interest In Consolidated Subsidiary Noncontrolling interest in consolidated subsidiary. Total operating expenses Operating Expenses Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Amortized Cost Amortized Cost CashAndCashEquivalentsAmortizedCostBasis CashAndCashEquivalentsAmortizedCostBasis Lessee, operating lease, renewal term Lessee, Operating Lease, Renewal Term Equity Component [Domain] Equity Component [Domain] Marketable securities Marketable Securities Accounting Policies [Line Items] Accounting Policies [Line Items] Accounting policies. Upfront payment Upfront Payment Upfront payment. Weighted-average shares used in calculating net loss per share, basic (in shares) Weighted-average common shares outstanding, attributable to common stockholders, basic Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Unrealized (loss) gain on marketable securities Marketable Security, Unrealized Gain (Loss) Loss from operations Operating Income (Loss) Prepaid rent Prepaid Rent Office and computer equipment Office Equipment [Member] Revenue, net: Revenues [Abstract] Cash equivalents: Cash and Cash Equivalents [Member] Comprehensive loss: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Statement [Line Items] Statement [Line Items] Property and equipment, net Property, Plant and Equipment, Policy [Policy Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Federal agency securities Federal Agency Securities [Member] Federal Agency Securities [Member] Customer relationship Customer Relationships [Member] Other Other [Member] Other. Number of option for lease renewal Number Of Option for Lease Renewal Number Of Option for Lease Renewal Schedule of Available for Sale Securities Debt Securities, Available-for-Sale [Table Text Block] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Noncontrolling interest in consolidated subsidiary Noncontrolling Interest [Member]