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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Apr. 01, 2023
Mar. 26, 2022
Revenues:    
Total revenues $ 10,758,191 $ 11,578,422
Expenses:    
Cost of product revenues 6,624,101 7,782,879
Research and development 2,312,217 5,408,613
Selling, general and administration 4,648,130 4,464,548
Total expenses 13,584,448 17,656,040
Loss from operations (2,826,257) (6,077,618)
Other income:    
Interest income 101,765 6,980
Other income (expense), net 37,030 (1,141)
Gain on investments 4,700,000
Foreign currency transaction gains 97,907 35,115
Total other income 236,702 4,740,954
Loss before provision for income taxes and net loss attributable to noncontrolling interest (2,589,555) (1,336,664)
Tax provision (39,000) (36,000)
Net loss (2,628,555) (1,372,664)
Net loss attributable to the noncontrolling interest 23
Net loss attributable to Kopin Corporation $ (2,628,555) $ (1,372,641)
Net loss per share    
Basic and diluted $ (0.03) $ (0.02)
Weighted average number of common shares outstanding    
Basic and diluted 105,036,382 90,121,226
Net Product Revenues [Member]    
Revenues:    
Total revenues $ 7,654,716 $ 6,507,528
Research And Development Revenues [Member]    
Revenues:    
Total revenues 2,896,451 4,908,033
Other Revenues [Member]    
Revenues:    
Total revenues $ 207,024 $ 162,861