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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
 3 Months Ended
Apr. 01, 2023
Mar. 26, 2022
Income Statement [Abstract]    
Net loss $ (2,628,555) $ (1,372,664)
Other comprehensive income (loss), net of tax:    
Foreign currency translation adjustments 9,994 (5,932)
Unrealized holding loss on marketable securities (3,767) (107,451)
Reclassification of holding losses in net loss (523)
Other comprehensive income (loss), net of tax 6,227 (113,906)
Comprehensive loss (2,622,328) (1,486,570)
Comprehensive income attributable to the noncontrolling interest 23
Comprehensive loss attributable to Kopin Corporation $ (2,622,328) $ (1,486,547)