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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 24, 2016	Sep. 30, 2017	Sep. 24, 2016	Dec. 31, 2016	Dec. 26, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 6,139,167	$ 5,794,806	$ 16,444,764	$ 16,269,219
Net Income (Loss) Attributable to Parent	(8,247,422)	(8,117,304)	(23,437,834)	(18,244,240)
Total assets	95,052,700	94,498,000	95,052,700	94,498,000	$ 87,832,272
Long-Lived Assets	3,661,000	2,937,000	3,661,000	2,937,000
Debt of Subsidiary, Not Assumed	$ 6,000,000	$ 6,200,000	$ 6,000,000	$ 6,200,000
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	47.00%	49.00%	48.00%	36.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	22.00%	37.00%	25.00%	48.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	31.00%	14.00%	27.00%	16.00%
Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 87,043,000	$ 92,799,000	$ 87,043,000	$ 92,799,000
Long-Lived Assets	3,544,000		3,544,000			$ 2,937,000
Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	8,010,000	1,699,000	8,010,000	1,699,000
Long-Lived Assets	117,000	0	117,000	0
Segment, Continuing Operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	6,139,000	5,795,000	16,445,000	16,269,000
Net Income (Loss) Attributable to Parent	(8,247,000)	(8,117,000)	(23,438,000)	(18,244,000)
Segment, Continuing Operations | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,744,000	4,708,000	10,409,000	13,176,000
Net Income (Loss) Attributable to Parent	(8,117,000)	(7,901,000)	(23,170,000)	(17,628,000)
Segment, Continuing Operations | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,395,000	1,087,000	6,036,000	3,093,000
Net Income (Loss) Attributable to Parent	$ (130,000)	$ (216,000)	$ (268,000)	$ (616,000)

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