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Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 24, 2022
Sep. 30, 2023
Sep. 24, 2022
Income Statement [Abstract]        
Net loss $ (2,450,313) $ (6,149,174) $ (13,259,247) $ (13,169,027)
Other comprehensive loss, net of tax:        
Foreign currency translation adjustments (10,229) (128,994) 31,955 (170,349)
Unrealized holding loss on marketable securities (54,175) (34,110) (72,382) (212,889)
Reclassification of holding losses in net loss (522)
Other comprehensive loss, net of tax (64,404) (163,104) (40,427) (383,760)
Comprehensive loss (2,514,717) (6,312,278) (13,299,674) (13,552,787)
Comprehensive loss attributable to the noncontrolling interest 280
Comprehensive loss attributable to Kopin Corporation $ (2,514,717) $ (6,312,278) $ (13,299,674) $ (13,552,507)