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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017	Dec. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (5,126,330)	$ (6,139,167)	$ (16,723,848)	$ (16,444,764)
Net Income (Loss) Attributable to Parent	(9,791,383)	$ (8,247,422)	(24,568,618)	$ (23,437,834)
Total assets	$ 71,625,185		$ 71,625,185		$ 91,322,490
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (3,247,000)	$ (2,886,000)	$ (10,400,000)	$ (7,908,000)
Percentage of total revenue	63.00%	47.00%	62.00%	48.00%
Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (20,000)	$ (3,000)	$ (72,000)	$ (35,000)
Percentage of total revenue	0.00%	0.00%	1.00%	0.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (1,187,000)	$ (1,368,000)	$ (3,815,000)	$ (4,149,000)
Percentage of total revenue	23.00%	22.00%	23.00%	25.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (666,000)	$ (1,882,000)	$ (2,409,000)	$ (4,345,000)
Percentage of total revenue	13.00%	31.00%	14.00%	27.00%
Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (6,000)		$ (28,000)	$ (8,000)
Percentage of total revenue	0.00%		0.00%	0.00%
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (3,267,000)	$ (2,889,000)	$ (10,472,000)	$ (7,943,000)
Percentage of total revenue	64.00%	47.00%	63.00%	48.00%
Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (3,629,000)	$ (3,744,000)	$ (11,033,000)	$ (10,409,000)
Percentage of total revenue	71.00%	61.00%	66.00%	63.00%
Kopin United States | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (2,427,000)	$ (2,000,000)	$ (7,586,000)	$ (6,166,000)
Percentage of total revenue	47.00%	33.00%	45.00%	37.00%
Kopin United States | Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (14,000)	$ (3,000)	$ (43,000)	$ (13,000)
Percentage of total revenue	0.00%	0.00%	1.00%	0.00%
Kopin United States | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (863,000)	$ (1,200,000)	$ (2,331,000)	$ (2,800,000)
Percentage of total revenue	17.00%	20.00%	14.00%	17.00%
Kopin United States | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (325,000)	$ (541,000)	$ (1,073,000)	$ (1,430,000)
Percentage of total revenue	6.00%	9.00%	6.00%	9.00%
Kopin United States | Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0		$ 0	$ 0
Percentage of total revenue	0.00%		0.00%	0.00%
Kopin United States | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (2,441,000)	$ (2,003,000)	$ (7,629,000)	$ (6,179,000)
Percentage of total revenue	48.00%	33.00%	46.00%	37.00%
Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (1,497,000)	$ (2,395,000)	$ (5,691,000)	$ (6,036,000)
Percentage of total revenue	29.00%	39.00%	34.00%	37.00%
Industrial [Member] | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (820,000)	$ (886,000)	$ (2,814,000)	$ (1,742,000)
Percentage of total revenue	16.00%	14.00%	17.00%	11.00%
Industrial [Member] | Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (6,000)	$ 0	$ (29,000)	$ (22,000)
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Industrial [Member] | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (324,000)	$ (168,000)	$ (1,484,000)	$ (1,349,000)
Percentage of total revenue	6.00%	3.00%	9.00%	8.00%
Industrial [Member] | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (341,000)	$ (1,341,000)	$ (1,336,000)	$ (2,915,000)
Percentage of total revenue	7.00%	22.00%	8.00%	18.00%
Industrial [Member] | Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (6,000)		$ (28,000)	$ (8,000)
Percentage of total revenue	0.00%		0.00%	0.00%
Industrial [Member] | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (826,000)	$ (886,000)	$ (2,843,000)	$ (1,764,000)
Percentage of total revenue	16.00%	14.00%	17.00%	11.00%
Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 71,625,000		$ 71,625,000		91,322,000
Operating Segments [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(3,629,000)	$ (3,744,000)	(11,033,000)	$ (10,409,000)
Net Income (Loss) Attributable to Parent	(9,814,000)	(8,117,000)	(24,650,000)	(23,170,000)
Total assets	62,573,000		62,573,000		82,707,000
Operating Segments [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,895,000)	(2,395,000)	(6,549,000)	(6,036,000)
Net Income (Loss) Attributable to Parent	23,000	(130,000)	81,000	(268,000)
Total assets	9,052,000		9,052,000		8,615,000
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	398,000	0	858,000	0
Intersegment Eliminations [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
Intersegment Eliminations [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	398,000	0	858,000	0
Property, Plant and Equipment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	5,076,000		5,076,000		5,077,000
Property, Plant and Equipment [Member] | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	2,103,000		2,103,000		2,456,000
Property, Plant and Equipment [Member] | UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	228,000		228,000		192,000
Property, Plant and Equipment [Member] | CHINA
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	2,575,000		2,575,000		338,000
Property, Plant and Equipment [Member] | JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	142,000		142,000		206,000
Property, Plant and Equipment [Member] | KOREA, REPUBLIC OF
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	28,000		28,000		$ 1,885,000
Military Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,499,000)	(2,785,000)	(5,420,000)	(6,358,000)
Military Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(582,000)	(913,000)	(2,448,000)	(2,721,000)
Military Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(917,000)	(1,872,000)	(2,972,000)	(3,637,000)
Research and Development [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,483,000)	(550,000)	(3,563,000)	(1,943,000)
Research and Development [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,482,000)	(550,000)	(3,363,000)	(1,934,000)
Research and Development [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,000)	0	(200,000)	(9,000)
Industrial Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,283,000)	(1,176,000)	(4,261,000)	(4,086,000)
Industrial Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(721,000)	(657,000)	(1,941,000)	(1,765,000)
Industrial Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(562,000)	(519,000)	(2,320,000)	(2,321,000)
Consumer Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(816,000)	(1,282,000)	(3,213,000)	(2,811,000)
Consumer Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(816,000)	(1,282,000)	(3,213,000)	(2,811,000)
Consumer Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0	0	0
All Other Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(45,000)	(346,000)	(267,000)	(1,247,000)
All Other Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(28,000)	(342,000)	(68,000)	(1,178,000)
All Other Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (17,000)	$ (4,000)	$ (199,000)	$ (69,000)

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