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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Sep. 24, 2011
Sep. 29, 2012
Segment
Sep. 24, 2011
Segment Reporting [Abstract]        
Number of segments     4  
Segment Reporting Information [Line Items]        
Revenues $ 21,940,358 $ 29,566,450 $ 70,035,879 $ 95,931,899
Net (loss) income attributable to the controlling interest (6,722,012) 157,460 (14,500,476) 3,027,501
Kopin U.S.
        
Segment Reporting Information [Line Items]        
Revenues 21,224,000 28,038,000 68,124,000 91,838,000
Net (loss) income attributable to the controlling interest (7,349,000) 2,000 (14,387,000) 3,707,000
Kowon
        
Segment Reporting Information [Line Items]        
Revenues 1,415,000 2,734,000 4,193,000 7,927,000
Net (loss) income attributable to the controlling interest (465,000) 797,000 (639,000) 305,000
KTC
        
Segment Reporting Information [Line Items]        
Revenues 7,429,000 5,892,000 24,907,000 12,232,000
Net (loss) income attributable to the controlling interest 1,230,000 135,000 3,894,000 627,000
FDD
        
Segment Reporting Information [Line Items]        
Revenues 716,000 1,492,000 1,912,000 4,014,000
Net (loss) income attributable to the controlling interest (482,000) (593,000) (3,528,000) (1,492,000)
Adjustments
        
Segment Reporting Information [Line Items]        
Revenues (8,844,000) (8,590,000) (29,100,000) (20,079,000)
Net (loss) income attributable to the controlling interest $ 344,000 $ (184,000) $ 160,000 $ (119,000)