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Consolidated Statements of Operations - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 25, 2021
Dec. 26, 2020
Revenues:      
Total revenues $ 47,401,190 $ 45,666,117 $ 40,127,669
Expenses:      
Cost of product revenues 32,558,748 25,052,383 21,398,381
Research and development-funded programs 10,279,660 9,976,103 7,745,762
Research and development-internal 8,387,898 6,312,148 3,924,241
Selling, general and administrative 17,965,097 18,100,519 11,822,703
Total operating expenses 69,191,403 59,441,153 44,891,087
Loss from operations (21,790,213) (13,775,036) (4,763,418)
Non-operating income (expense), net:      
Interest income 76,877 31,142 132,642
Other income (expense), net 154,357 265,509 (35,463)
Foreign currency transaction (losses) gains (323,286) 139,014 293,670
Gain (loss) on investments 2,700,000 (29,356)
Total non-operating income 2,607,948 435,665 361,493
Loss before provision for income taxes and net loss of noncontrolling interest (19,182,265) (13,339,371) (4,401,925)
Tax provision (144,000) (129,000) (129,000)
Net loss (19,326,265) (13,468,371) (4,530,925)
Net loss attributable to the noncontrolling interest 348 35,498 119,813
Net loss attributable to Kopin Corporation $ (19,325,917) $ (13,432,873) $ (4,411,112)
Net loss per share:      
Basic and diluted $ (0.21) $ (0.15) $ (0.05)
Weighted average number of common shares outstanding:      
Basic and diluted 91,429,106 88,831,532 82,347,741
Net Product Revenues [Member]      
Revenues:      
Total revenues $ 32,420,397 $ 29,882,271 $ 28,517,874
Research and Development Revenues [Member]      
Revenues:      
Total revenues 14,357,222 14,668,471 10,122,677
License and Other Revenues [Member]      
Revenues:      
Total revenues $ 623,571 $ 1,115,375 $ 1,487,118