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Accounting for Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Proportionate share of cytek japan’s earnings Income (Loss) from Equity Method Investments Leases [Abstract] Leases [Abstract] Increase related to prior year tax provisions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Schedule of Components of Other Current Liabilities Other Noncurrent Liabilities [Table Text Block] Greater than 1 year Greater Than One Year [Member] Greater than one year member Trade accounts payable Increase (Decrease) in Accounts Payable Deferred revenue, noncurrent Deferred Revenue, Noncurrent Gross Unrealized Loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Commercial paper Commercial paper Commercial Paper [Member] Total inventories Inventory, Gross Common stock reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Gross deferred tax assets Deferred Tax Assets, Gross Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Cash and Cash Equivalents Cash, Cash Equivalent, and Investment [Table Text Block] Total revenue Revenue, Remaining Performance Obligation, Amount 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. 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Intangible asset in accrued expenses at period end Intangible Asset in Accrued Expense Intangible asset in accrued expense. 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Options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Valuation allowance Deferred Tax Assets, Valuation Allowance Goodwill and intangible assets, net Goodwill and Intangible Assets, Policy [Policy Text Block] Building Building [Member] Total Purchase Obligations Purchase Obligation Segment Reporting Disclosure Segment Reporting Disclosure [Text Block] U.S. Treasury US Government Securities, at Carrying Value 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] U.S. Treasury U.S. Treasury US Treasury Securities [Member] Trademarks Trademarks [Member] Federal Current Federal Tax Expense (Benefit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization - license & IP expense Amortization of Intangible Assets Common stock purchased value Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions Depreciation and amortization Depreciation, Depletion and Amortization Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Cost of sales: Cost of Product and Service Sold [Abstract] Schedule Of Revenues From External Customers And Long Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Finished goods Inventory, Finished Goods, Gross Revolving Credit Facility Revolving Credit Facility [Member] Foreign tax effects Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Cytek Japan Cytek Japan [Member] Cytek japan member Segments [Axis] Segments [Axis] ROU assets Deferred Tax Liabilities Right Of Use Of Assets Deferred Tax Liabilities Right Of Use Of Assets Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Stock-based compensation plan Share-Based Payment Arrangement [Text Block] Repurchase of shares (in shares) Stock Repurchased and Retired During Period, Shares Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Assets Assets [Abstract] Prepaid rent Prepaid Rent Credit Facility [Axis] Credit Facility [Axis] Prepaid expenses: Prepaid Expense, Current [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] 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 Legal settlement liability Legal Settlement Liability Non Current Legal settlement liability Noncurrent Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Stockholders’ equity: Equity, Attributable to Parent [Abstract] 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. Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Operating lease liability, noncurrent Operating lease liabilities, noncurrent Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] Depreciation and amortization Deferred Tax Liabilities Depreciation and amortization Deferred Tax Liabilities Depreciation and amortization Investment Company [Abstract] Investment Company [Abstract] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] 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 Total Assets, Fair Value Disclosure Revision of Prior Period [Domain] Revision of Prior Period [Domain] Number of operating segments Number of Operating Segments Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Service Service [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Foreign Deferred Foreign Income Tax Expense (Benefit) Change in tax reserve Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Name Trading Arrangement, Individual Name Security warranty obligation, term Security Warranty Obligation, Term Security Warranty Obligation, Term Loan amount Debt Instrument, Face Amount Gain on investments, accretion, and amortization, net Gain On Investments Accretion And Amortization Net Gain On Investments Accretion And Amortization Net Name Awards Close in Time to MNPI Disclosures, Individual Name Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Schedule of Future Undiscounted Cash Flows and Reconciliation to the Lease Liabilities Recognized Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Litigation Case [Axis] Litigation Case [Axis] Auditor Firm ID Auditor Firm ID Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] International Income (Loss) from Continuing Operations before Income Taxes, Foreign 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] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net loss attributable to common stockholders per share Earnings Per Share, Policy [Policy Text Block] Transfer of inventory to property and equipment Internal Inventory Transfer To Fixed Assets Internal Inventory Transfer To Fixed Assets ESPP Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Revenue recognition Revenue [Policy Text Block] Prepaid inventory Prepaid Inventory Prepaid inventory. Proceeds from Employee Stock Purchase Plan Proceeds from Stock Plans All Executive Categories All Executive Categories [Member] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock, $0.001 par value; 1,000,000,000 authorized shares as of December 31, 2025 and December 31, 2024, respectively; 128,550,136 and 129,205,901 issued and outstanding shares as of December 31, 2025 and December 31, 2024, respectively. Common stock, value, issued Common Stock, Value, Issued Warranty cost incurred Product Warranty Expense Prepaid expenses Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Deferred offering costs Deferred Offering Costs Policy [Policy Text Block] Deferred offering costs policy text block. Commitments and contingencies (Note 18) Commitments and Contingencies IP license I P License [Member] IP license [Member]. Business Combination [Axis] Business Combination [Axis] Tax refund receivable Tax Refund Receivable And Payable Tax Refund Receivable And Payable Noncontrolling interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Noncontrolling interest in consolidated subsidiary Noncontrolling Interest [Member] Net deferred tax assets Deferred Tax Assets, Net Reagent license Reagent License [Member] Reagent License [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Balance sheet details Supplemental Balance Sheet Disclosures [Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Employee benefit plan Defined Contribution Plan [Text Block] Wuxi Loan Wuxi Loan [Member] Wuxi Loan Research and development credits Effective Income Tax Rate Reconciliation, Research And Development Credits, Percent Effective Income Tax Rate Reconciliation, Research And Development Credits, Percent All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Proceeds from Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Benefit Plan Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Lease Lessor, Operating Leases [Text Block] Deferred revenue, current Deferred Revenue, Current APAC Asia Pacific [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Security12b Title Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Global intangible low-taxed income Effective Income Tax Rate Reconciliation, GILTI, Percent Other reconciling items Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Prepaid insurance Prepaid Insurance Tax credit, foreign Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Earnings Per Share [Abstract] Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Total other income, net Nonoperating Income (Expense) Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Foreign-derived intangible income deduction Effective Income Tax Rate Reconciliation, FDII, Percent Tax credit carryforward, amount Tax Credit Carryforward, Amount Provision for credit losses Provision for Other Credit Losses Revenue deferred Increase (Decrease) in Contract with Customer, Liability Number of bank guarantees Number Of Bank Guarantees Number Of Bank Guarantees Stock repurchase program, commission costs Stock Repurchase Program, Commission Costs Stock Repurchase Program, Commission Costs Deferred offering costs Deferred Offering Costs Options exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Schedule of Components of Inventory Schedule of Inventory, Current [Table Text Block] Lessee, operating lease, renewal term Lessee, Operating Lease, Renewal Term Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Accounting Policies [Table] Accounting Policies [Table] Accounting policies. State Deferred State and Local Income Tax Expense (Benefit) Net loss Net loss Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Cash paid for amounts included in measurement of lease liabilities: Operating Lease, Liability [Abstract] Construction in progress Construction in Progress [Member] Other Other Accrued Liabilities, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Statement [Line Items] Segment Reporting Information [Line Items] Payment for repurchase of shares Payment for repurchase of shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Bank of Ningbo Maximum Credit Agreement Bank Of Ningbo Maximum Credit Agreement [Member] Bank Of Ningbo Maximum Credit Agreement Leases term under operating lease agreements Lessee, Operating Lease, Term of Contract Customer [Axis] Customer [Axis] Customer relationship Customer relationships Customer Relationships [Member] Loss from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Accumulated deficit Retained Earnings (Accumulated Deficit) 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] Subsequent Event Type Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other income, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Other countries Foreign Tax Jurisdiction, Other [Member] Total contract liabilities Beginning balance Ending balance Contract with Customer, Liability All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Product warranty obligation, term Product Warranty Obligation, Term Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Academia and government Academia And Government [Member] Academia and government member Recognized net assets Net Assets Weighted-average discount rate - operating leases: Operating Lease, Weighted Average Discount Rate, Percent Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Bank of China Maximum Credit Renewal Agreement Bank Of China Maximum Credit Renewal Agreement [Member] Bank Of China Maximum Credit Renewal Agreement Sales (excluding stock-based compensation) Selling And Marketing Expense (Excluding Share-Based Payment Arrangement, Expense) Selling and Marketing Expense (Excluding Share-Based Payment Arrangement, Expense) Schedule of Financial Instruments Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Weighted-average shares used in calculating net loss per share, basic (in shares) Weighted-average common shares outstanding, attributable to common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Provision for excess and obsolete inventory Inventory Write-down Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Royalty payment duration Royalty Payment Duration Royalty payment duration. Building and land Land and Building [Member] Upfront and payment terms. Upfront And Payment Terms Upfront and payment terms. Schedule of Computation of the Basic and Diluted Net Loss Per Share Attributable to Common Stockholders Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Segment Reporting [Abstract] Subsequent Events [Abstract] Subsequent Events [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Utilization of allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Writeoff Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par or stated value per share (in dollar per share) Common Stock, Par or Stated Value Per Share Cost of sales (excluding stock-based compensation) Cost Of Goods Sold Cost Of Goods Sold Noncontrolling interest in consolidated subsidiary Noncontrolling Interest In Consolidated Subsidiary Noncontrolling interest in consolidated subsidiary. Options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of estimates Use of Estimates, Policy [Policy Text Block] Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumption Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Accrued excise taxes for share repurchase Accrued Exercise Taxes For Share Repurchase Accrued Exercise Taxes For Share Repurchase Subsequent Events Subsequent Events [Text Block] Foreign currency translation adjustment, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Options forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Prior year true up due to tax rate change Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Raw materials Inventory, Raw Materials, Gross Unrealized gain (loss) on marketable securities Accumulated Other Comprehensive Income (Loss), Marketable Securities Unrealized Gain (Loss) Accumulated Other Comprehensive Income (Loss), Marketable Securities Unrealized Gain (Loss) Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Legal settlement liability, current Settlement Liabilities, Current IP license Intellectual Property [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Increase related to current year tax provisions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Reportable Segment Reportable Segment [Member] Reportable Segment Schedule of RSU Awards Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Other Other [Member] Other. Number of option for lease renewal Number Of Option for Lease Renewal Number Of Option for Lease Renewal Fair Value Debt Securities, Available-for-Sale Entity Incorporation State Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate bonds Corporate Debt Securities [Member]