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Investment in Cytek Japan - Additional Information (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended
	Mar. 31, 2021	May 31, 2019	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Investment Holdings [Line Items]
Net income attributable to noncontrolling interests			$ 40,000	$ 0	$ 281,000	$ 0
Cytek Japan
Investment Holdings [Line Items]
Equity method investment percentage		50.00%
Proportionate share of Cytek Japan’s earnings					$ 40,000
Recognized net assets	$ 1,100,000
Noncontrolling Interest	315,000
Cytek Japan \| Cash
Investment Holdings [Line Items]
Recognized net assets	1,000,000.0
Cytek Japan \| Common Stock
Investment Holdings [Line Items]
Common Stock Purchased Value	$ 688,000	$ 46,000
Cytek Japan \| Minimum
Investment Holdings [Line Items]
Equity method investment percentage	50.00%
Cytek Japan \| Maximum
Investment Holdings [Line Items]
Equity method investment percentage	73.00%
T O M Y Digital Biology \| Common Stock
Investment Holdings [Line Items]
Common Stock Purchased Value	$ 229,000