Stock-Based Compensation Plan - Schedule of Weighted Average Valuation Assumptions Used in Estimating the Fair Value of ESPP (Details) - ESPP	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)	6 months	6 months	6 months	6 months
Expected volatility	73.00%	63.00%	73.00%	60.00%
Risk-free interest rate	4.00%	5.00%	4.00%	5.00%
Dividend yield	0.00%	0.00%	0.00%	0.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Cytek Biosciences, Inc. 10-Q