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Debt Debt Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Research and development costs Research and Development Expense, Policy [Policy Text Block] Revolving Credit Facility Revolving Credit Facility [Member] Employer contribution Defined Contribution Plan, Employer Discretionary Contribution Amount Greater than 1 year Greater Than One Year [Member] Greater than one year member Schedule of Cash and Cash Equivalents Cash, Cash Equivalents and Investments [Table Text Block] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Subpart F Effective Income Tax Rate Reconciliation Subpart Effective Income Tax Rate Reconciliation Subpart MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Stock options exercisable, weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Restatement Determination Date: Restatement Determination Date [Axis] Total other income (expense), net Nonoperating Income (Expense) U.S. federal tax benefit at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Revenue from acquired business unit Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period Commitments and contingencies (Note 18) Commitments and Contingencies Lessee, Operating Lease, Liability, to be Paid [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Deferred revenue, current Deferred Revenue, Current Geographical [Axis] Geographical [Axis] Variable interest entity ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Legal settlement liability, current Settlement Liabilities, Current Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Foreign Foreign Plan [Member] Income taxes Income Tax Disclosure [Text Block] Revenue deferred Increase (Decrease) in Contract with Customer, Liability Payment for additional investment in Cytek Japan, net of cash acquired Payment for Additional Investment in Cytek Japan, Net of Cash Acquired Payment for additional investment in Cytek Japan, net of cash acquired. Allowance for credit losses Allowance for Doubtful Accounts Allowance for doubtful accounts Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Revenue recognition Revenue [Policy Text Block] Contract Liabilities [Roll Forward] Contract Liabilities [Roll Forward] Contract Liabilities Business Acquisition [Line Items] Business Acquisition [Line Items] Weighted-average grant date fair value per share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Portion of loan included in current liabilities Portion of Loan Included In Current Liabilities Portion of Loan Included In Current Liabilities Purchases of marketable securities Purchases of marketable securities Purchases of marketable securities PEO Total Compensation Amount PEO Total Compensation Amount Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Operating cash outflows - payments on operating leases Operating Cash Outflows Payments On Operating Leases Operating cash outflows - payments on operating leases Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Significant unobservable inputs (level 3) Fair Value, Inputs, Level 3 [Member] Lease Lessor, Operating Leases [Text Block] Options outstanding, beginning balance (in shares) Options outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Accrued compensation and related benefits Accrued Employee Benefits, Current Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Weighted-average grant date fair value of options granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Net (loss) income Net income Net Income (Loss) Total current liabilities Liabilities, Current Foreign currency translation and transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Debt Conversion [Line Items] Debt Conversion [Line Items] Business combination, provisional information, initial accounting incomplete, adjustment, goodwill Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Goodwill Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Goodwill Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Repurchase of shares Stock Repurchased During Period, Value Gross Unrealized Loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Exercise of stock options (in shares) Options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Total inventories Inventory, Gross Total cost of sales Cost of Goods and Services Sold Number of early termination leased properties Number Of Early Termination Leased Properties Number Of Early Termination Leased Properties Name Measure Name Patent Patents [Member] Name Forgone Recovery, Individual Name Reduction on future lease payment Reduction On Future Lease Payment Reduction On Future Lease Payment Goodwill Goodwill T O M Y Digital Biology T O M Y Digital Biology [Member] TOMY digital biology member Increases related to prior year tax provisions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Underlying Securities Award Underlying Securities Amount Patents and trademarks Patents And Trademarks [Member] Patents and trademarks [Member]. Trade accounts receivable Increase (Decrease) in Accounts Receivable Collateral Held [Axis] Collateral Held [Axis] Hong Kong subsidiary (Cytek HK) Subsidiaries [Member] Share-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Payment for investment Payment for Acquisition, Real Estate, Held-for-Investment Operating lease liability, noncurrent Operating Lease, Liability, Noncurrent Loss on lease exit cost Gain Loss On Sublease Contract Gain loss on sublease contract. Debt instrument term Debt Instrument, Term Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Income Statement Location [Axis] Income Statement Location [Axis] Reagent licenses Reagent licenses [Member] Reagent licenses Member Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Product and Service [Domain] Product and Service [Domain] Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Lease Expense Lease, Cost [Table Text Block] Inventories Increase (Decrease) in Inventories Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Plan Name [Domain] Plan Name [Domain] Cost of sales: Cost of Goods and Services Sold [Abstract] Interest expense Interest Expense Fixed asset purchases in accounts payable at period end Capital Expenditures Incurred but Not yet Paid Weighted-average remaining contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Trading Arrangement: Trading Arrangement [Axis] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Use of estimates Use of Estimates, Policy [Policy Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity File Number Entity File Number Loss Contingencies [Table] Loss Contingencies [Table] Lease liabilities Increase Decrease In Lease Liabilities Increase Decrease In Lease Liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Schedule of RSU Awards Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Product warranty Product Warranty Accrual, Current Deferred offering costs Deferred Offering Costs Deferred revenue, noncurrent Deferred Revenue, Noncurrent Auditor Firm ID Auditor Firm ID Amortization of intangible assets Amortization of Intangible Assets Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Restatement Determination Date Restatement Determination Date Increase related to current year tax provisions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) Temporary Equity, Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering Share Temporary Equity, Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering Share Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents, restricted cash, and restricted cash equivalents Total cash, cash equivalents and restricted cash as presented on the consolidated statements of cash flows Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Asset Class [Axis] Asset Class [Axis] Operating lease cost Operating Lease, Cost Accounting for Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Sales and excise tax payable Sales and Excise Tax Payable At Market Offering At Market Offering [Member] At Market Offering [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Stock option exercise in other receivables at period end Non Cash Investing And Financing Activities Stock Option Exercise In Accounts Receivable At Period End Non-Cash Investing and Financing Activities, Stock option exercise in accounts receivable at period end. Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Variable interest entities and voting interest entities Variable Interest Entities And Voting Interest Entities Policy [Policy Text Block] Variable interest entities and voting interest entities policy text block. Assets, fair value disclosure Assets, Fair Value Disclosure Unrecognized stock-based compensation expense estimated, recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Net comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Guava easyCyte and Muse developed technology Guava Easycyte & Muse Developed Technology [Member] Guava Easycyte & Muse Developed Technology Short-term lease cost Short-Term Lease, Cost Entity Address Address Line1 Entity Address, Address Line One Settlement Liability Settlement Liabilities [Member] Settlement liabilities member. Settlement liabilities, payment period Settlement Liabilities, Payment Period Settlement Liabilities, Payment Period Subsequent Event [Table] Subsequent Event [Table] Office and computer equipment Office And Computer Equipment [Member] Office and computer equipment [Member]. Ownership interest Subsidiary, Ownership Percentage, Parent Weighted-average exercise price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Subsequent Event Subsequent Event [Member] Equity method investment percentage Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Operating Loss carryforwards Operating Loss Carryforwards Deferred income tax assets, noncurrent Deferred Tax Assets, Deferred Income Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities Total other current liabilities Other Liabilities, Current Income Statement [Abstract] Income Statement [Abstract] Business combination, provisional information, initial accounting incomplete, adjustment, intangibles Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Shares offered (in shares) Stock Issued During Period, Shares, New Issues Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Accrued bonus Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Net income (loss) Business Acquisition, Pro Forma Net Income (Loss) Operating leases Right Of Use Assets Obtained In Exchange For New Lease Obligations Right-of-use assets obtained in exchange for new lease obligations. Intangible asset in accrued expenses at period end Intangible Asset in Accrued Expense Intangible asset in accrued expense. Numerator Net Income (Loss) Attributable to Parent [Abstract] Other Other Assets, Current Class Of Stock [Line Items] Class of Stock [Line Items] Marketable equity investments Equity Method Investments Inventories Inventory, Net Common stock Common Stock [Text Block] Common stock text block. Advertising costs Advertising Cost [Policy Text Block] Total Shareholder Return Amount Total Shareholder Return Amount Payment for repurchase of shares Payment for repurchase of shares Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Foreign Deferred Foreign Income Tax Expense (Benefit) Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accumulated deficit Retained Earnings (Accumulated Deficit) Collateral Held [Domain] Collateral Held [Domain] Loan amount Debt Instrument, Face Amount Deferred tax liabilities Deferred Tax Liabilities, Net [Abstract] Current assets: Assets, Current [Abstract] Leases [Abstract] Leases [Abstract] Entity Address, State and Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Schedule Of Revenues From External Customers And Long Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Employee Stock Purchase Plan 2021 Employee Stock Purchase Plan 2021 Employee Stock Purchase Plan Two Thousand And Twenty One Plan [Member] IPO IPO [Member] Net income attributable to common stockholders per share, basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Cytek Japan Cytek Japan [Member] Cytek japan member ROU assets Deferred Tax Liabilities Right Of Use Of Assets Deferred Tax Liabilities Right Of Use Of Assets Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Asset Class [Domain] Asset Class [Domain] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Class of Stock [Domain] Class of Stock [Domain] Customer [Domain] Customer [Domain] Schedule of Components of Inventory Schedule of Inventory, Current [Table Text Block] Net income attributable to common stockholders, basic Net income (loss) Net Income (Loss) Available to Common Stockholders, Basic Revenues From External Customers And Long Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Investment Company [Abstract] Investment Company [Abstract] Legal settlement liability Legal Settlement Liability Non Current Legal settlement liability Noncurrent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Operating lease liability Total operating lease liabilities Operating Lease, Liability Mature in less than one year Mature in less than one year [Member] Mature in less than one year Office Facilities and Equipment Office Facilities and Equipment [Member] Office facilities and equipment member. Service Service [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accumulated other comprehensive (loss) income AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount All Executive Categories All Executive Categories [Member] Depreciation and amortization Deferred Tax Liabilities Depreciation and amortization Deferred Tax Liabilities Depreciation and amortization Plan Name [Axis] Plan Name [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Trade accounts receivable, net Trade and Other Accounts Receivable, Unbilled Receivables, Policy [Policy Text Block] Number of reportable segments Number of Reportable Segments Earnings Per Share [Abstract] Earnings Per Share [Abstract] Common stock, $0.001 par value; 1,000,000,000 authorized shares as of December 31, 2023 and December 31, 2022, respectively; 130,714,906 and 135,365,381 issued and outstanding shares as of December 31, 2023 and December 31, 2022, respectively. Common stock, value, issued Common Stock, Value, Issued Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Trade name Trade Names [Member] Amortization of operating lease-right-of use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Options expired (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Expired In Period The number of shares under options that expired during the reporting period Business combination, provisional information, initial accounting incomplete, adjustment, property, plant, and equipment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment Legal settlement liability Legal Matters and Contingencies [Text Block] Deferred tax expense (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Cost of sales related to royalty expense Cost of Sales Related To Royalty Expense Cost of Sales Related To Royalty Expense Schedule of Future Undiscounted Cash Flows and Reconciliation to the Lease Liabilities Recognized Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Restricted cash Restricted Cash Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Other income (expense), net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Sales and use tax payable Sales and Excise Tax Payable, Current Trade accounts payable Accounts Payable, Trade, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Unrecognized tax benefits Unrecognized tax benefits as of the beginning of the year Unrecognized tax benefits as of the end of the year Unrecognized Tax Benefits Income Tax Authority [Axis] Income Tax Authority [Axis] PEO Name PEO Name APAC Asia Pacific [Member] Restricted cash Restricted Cash, Current Building Building [Member] Stock based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Other Other Accrued Liabilities, Current Description of business Nature of Operations [Text Block] Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Total accrued expenses Accounts Payable and Accrued Liabilities, Current Schedule of Legal Settlement Liability Schedule Of Legal Settlement Liability Table [Table Text Block] Schedule of legal settlement liability. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Deferred tax assets Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Unearned revenue Deferred Revenue, Revenue Recognized Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Tax impact of foreign earnings and losses Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule Of Stock By Class [Table] Schedule of Stock by Class [Table] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Revision of Prior Period [Domain] Revision of Prior Period [Domain] Subsequent Events [Abstract] Subsequent Events [Abstract] (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Purchase of intangible assets (patents) Payments to Acquire Intangible Assets Fair value of financial instruments Fair Value Measurement, Policy [Policy Text Block] Significant other observable inputs (level 2) Fair Value, Inputs, Level 2 [Member] ESPP Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Prepaid inventory Prepaid Inventory Prepaid inventory. Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Estimated Useful Lives Finite-Lived Intangible Asset, Useful Life 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Weighted average exercise price, beginning balance (in dollars per share) Weighted average exercise price, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Deferred offering costs Deferred Offering Costs Policy [Policy Text Block] Deferred offering costs policy text block. IP license I P License [Member] IP license [Member]. City Area Code City Area Code Tax refund receivable Tax Refund Receivable And Payable Tax Refund Receivable And Payable Net (loss) income attributable to common stockholders per share Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] Leases term under operating lease agreements Lessee, Operating Lease, Term of Contract Reagent license Reagent License [Member] Reagent License [Member] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Exercise Price Award Exercise Price 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] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Shares of Common Stock withheld related to net share settlement Common Stock Withheld Related To Net Share Settlement Common Stock Withheld Related To Net Share Settlement. Net (loss) income Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash paid for taxes Income Taxes Paid, Net 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] Developed Technology Rights Developed Technology Rights [Member] Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering, Share Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering, Share 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 Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Other noncurrent assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Ownership [Domain] Ownership [Domain] 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 assets Operating Lease, Right-of-Use Asset Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Foreign Current Foreign Tax Expense (Benefit) Product warranty Product Warranty Disclosure [Text Block] Proceeds from Employee Stock Purchase Plan (in shares) Proceed During Period, Shares, Employee Stock Purchase Plans Proceed During Period, Shares, Employee Stock Purchase Plans Net income attributable to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Entity Address City Or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Balance sheet details Supplemental Balance Sheet Disclosures [Text Block] Termination Date Trading Arrangement Termination Date Maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities Common stock, shares authorized (in shares) Common Stock, Shares Authorized Fair Value Debt Securities, Available-for-Sale Raw materials Inventory, Raw Materials, Gross Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Gain on equity method investment Equity Securities, FV-NI, Gain (Loss) Common stock purchased value Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Award Timing Disclosures [Line Items] Commercial paper Commercial Paper, at Carrying Value Investments Investment [Text Block] Fair value of net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Other permanent adjustments Effective Income Tax Rate Reconciliation, Other Permanent Adjustment, Percent Effective Income Tax Rate Reconciliation, Other Permanent Adjustment, Percent 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] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] 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 Insider Trading Arrangements [Line Items] Accounting Policies [Table] Accounting Policies [Table] Accounting policies. Related Party, Type [Axis] Related Party, Type [Axis] Stock options outstanding, aggregate intrinsic value, beginning balance Stock options outstanding, aggregate intrinsic value, ending balance Aggregate intrinsic value (in thousands) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Included in other current liabilities: Other Liabilities, Current [Abstract] IP license Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Foreign income taxed at different rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Adjustment to Compensation, Amount Adjustment to Compensation Amount Recognized net assets Net Assets Cost of sales Cost of Sales [Member] Auditor Name Auditor Name Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] 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 Entity Central Index Key Entity Central Index Key Total stock-based compensation Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Total intangible assets Finite-Lived Intangible Assets, Gross Income Tax Authority [Domain] Income Tax Authority [Domain] Name Trading Arrangement, Individual Name Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] 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 Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding 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] Investment in Cytek Japan Investments and Other Noncurrent Assets [Text Block] Weighted-average discount rate - operating leases: Operating Lease, Weighted Average Discount Rate, Percent Prepaid expenses: Prepaid Expense, Current [Abstract] Mature in less than on year - Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Business Combinations Business Combinations Policy [Policy Text Block] Tax credit, foreign Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Leasehold improvements Leasehold Improvements [Member] Net deferred tax liabilities Deferred Tax Liabilities, Net Sales and marketing Selling and Marketing Expense [Member] Weighted-average shares used in calculating net income per share, diluted (in shares) Weighted-average common shares outstanding, attributable to common stockholders, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Academia and government Academia And Government [Member] Academia and government member Money market funds Money Market Funds, at Carrying Value Operating expenses: Operating Expenses [Abstract] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Royalty payment duration Royalty Payment Duration Royalty payment duration. Upfront and payment terms. Upfront And Payment Terms Upfront and payment terms. 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 Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Laboratory equipment Equipment [Member] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Series A Preferred Stock Series A Preferred Stock [Member] Conversion of redeemable convertible preferred stock to common stock upon initial public offering Temporary Equity, Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering, Value Temporary Equity, Conversion Of Redeemable Convertible Preferred Stock To Common Stock Upon Initial Public Offering, Value 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 Non-NEOs Non-NEOs [Member] Segments, Geographical Areas [Abstract] Segments, Geographical Areas [Abstract] Construction in progress Construction in Progress [Member] Offering related transaction costs Offering Related Transaction Costs Offering related transaction costs Noncontrolling interest in consolidated subsidiary Noncontrolling Interest In Consolidated Subsidiary Noncontrolling interest in consolidated subsidiary. Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Accrued excise taxes for share repurchase Accrued Exercise Taxes For Share Repurchase Accrued Exercise Taxes For Share Repurchase Marketable securities Marketable Securities Adjustment to Compensation: Adjustment to Compensation [Axis] Research and development credit carryforward Deferred Tax Assets, Tax Credit Carryforwards, Research Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Weighted-average shares used in calculating net income per share, basic (in shares) Weighted-average common shares outstanding, attributable to common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Research and development credits Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Percent Revenue, net: Revenues [Abstract] Comprehensive (loss) income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Federal agency securities Federal Agency Securities [Member] Federal Agency Securities [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] Sales channel mix Sales channel mix [Member] Sales channel mix [Member] Prior year true up due to tax rate change Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Noncontrolling interest in consolidated subsidiary Noncontrolling Interest [Member]