Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 05, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Entity Registrant Name	CYTEK BIOSCIENCES, INC.
Entity Central Index Key	0001831915
Entity File Number	001-40632
Entity Tax Identification Number	47-2547526
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Interactive Data Current	Yes
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Address Address Line1	47215 Lakeview Blvd.
Entity Address City Or Town	Fremont
Entity Address, State and Province	CA
Entity Incorporation State Country Code	DE
Entity Address Postal Zip Code	94538
City Area Code	877
Local Phone Number	922-9835
Security12b Title	Common Stock, par value $0.001 per share
Trading Symbol	CTKB
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		134,627,040