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Consolidated Statements of Comprehensive Loss - USD ($)
 12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Dec. 25, 2021
Income Statement [Abstract]      
Net loss $ (19,748,219) $ (19,326,265) $ (13,468,371)
Other comprehensive gain (loss), net of tax:      
Foreign currency translation adjustments 42,027 (36,478) (51,736)
Unrealized holding gain (loss) on marketable securities 14,644 (201,283) (17,113)
Reclassifications of loss in net loss on marketable securities (445) (522) (1,234)
Total other comprehensive gain (loss), net of tax 56,226 (238,283) (70,083)
Comprehensive loss (19,691,993) (19,564,548) (13,538,454)
Comprehensive loss attributable to the noncontrolling interest 348 35,498
Comprehensive loss attributable to Kopin Corporation $ (19,691,993) $ (19,564,200) $ (13,502,956)