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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Income Statement [Abstract]
Net loss	$ (1,372,664)	$ (4,185,723)
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(5,932)	(27,842)
Unrealized holding (loss) gain on marketable securities	(107,451)	8,286
Reclassification of holding losses in net loss	(523)
Other comprehensive loss, net of tax	(113,906)	(19,556)
Comprehensive loss	(1,486,570)	(4,205,279)
Comprehensive loss attributable to the noncontrolling interest	23	39,485
Comprehensive loss attributable to Kopin Corporation	$ (1,486,547)	$ (4,165,794)

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