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Consolidated Statements of Comprehensive Loss - USD ($)
12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Income Statement [Abstract]      
Net loss $ (43,877,896) $ (19,748,219) $ (19,326,265)
Other comprehensive gain (loss), net of tax:      
Foreign currency translation adjustments 20,900 42,027 (36,478)
Unrealized holding gain (loss) on marketable securities 779,165 14,644 (201,283)
Reclassifications of loss in net loss on marketable securities (445) (522)
Total other comprehensive gain (loss), net of tax 800,065 56,226 (238,283)
Comprehensive loss (43,077,831) (19,691,993) (19,564,548)
Comprehensive loss attributable to the noncontrolling interest 348
Comprehensive loss attributable to Kopin Corporation $ (43,077,831) $ (19,691,993) $ (19,564,200)