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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (5,943,898)	$ (5,927,469)	$ (11,597,518)	$ (10,305,597)
Net Income (Loss) Attributable to Parent	(9,240,957)	$ (7,331,971)	(14,777,235)	$ (15,190,410)
Total assets	$ 79,343,029		$ 79,343,029		$ 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	$ (3,558,000)	$ (2,883,000)	$ (7,154,000)	$ (5,022,000)
Percentage of total revenue	60.00%	49.00%	62.00%	49.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (1,455,000)	$ (1,555,000)	$ (2,628,000)	$ (2,782,000)
Percentage of total revenue	24.00%	26.00%	23.00%	27.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (867,000)	$ (1,477,000)	$ (1,743,000)	$ (2,464,000)
Percentage of total revenue	15.00%	25.00%	15.00%	24.00%
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues			$ (3,000)
Percentage of total revenue			0.00%
Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (44,000)	$ (5,000)	$ (50,000)	$ (31,000)
Percentage of total revenue	1.00%	0.00%	0.00%	0.00%
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (3,602,000)	$ (2,888,000)	$ (7,204,000)	$ (5,053,000)
Percentage of total revenue	61.00%	49.00%	62.00%	49.00%
AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (20,000)	$ (7,000)	$ (20,000)	$ (7,000)
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (4,405,000)	$ (3,705,000)	$ (7,403,000)	$ (6,665,000)
Percentage of total revenue	74.00%	63.00%	64.00%	66.00%
Kopin United States | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (2,950,000)	$ (2,212,000)	$ (5,160,000)	$ (4,166,000)
Percentage of total revenue	50.00%	37.00%	44.00%	40.00%
Kopin United States | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (987,000)	$ (1,009,000)	$ (1,467,000)	$ (1,601,000)
Percentage of total revenue	17.00%	17.00%	13.00%	16.00%
Kopin United States | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (442,000)	$ (479,000)	$ (748,000)	$ (889,000)
Percentage of total revenue	7.00%	8.00%	6.00%	9.00%
Kopin United States | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues			$ 0
Percentage of total revenue			0.00%
Kopin United States | Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (26,000)	$ (5,000)	$ (28,000)	$ (9,000)
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Kopin United States | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (2,976,000)	$ (2,217,000)	$ (5,188,000)	$ (4,175,000)
Percentage of total revenue	50.00%	37.00%	45.00%	41.00%
Kopin United States | AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (1,539,000)	$ (2,222,000)	$ (4,195,000)	$ (3,641,000)
Percentage of total revenue	26.00%	37.00%	36.00%	35.00%
Industrial [Member] | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (608,000)	$ (671,000)	$ (1,994,000)	$ (856,000)
Percentage of total revenue	10.00%	11.00%	17.00%	8.00%
Industrial [Member] | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (468,000)	$ (546,000)	$ (1,161,000)	$ (1,181,000)
Percentage of total revenue	8.00%	9.00%	10.00%	11.00%
Industrial [Member] | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (425,000)	$ (998,000)	$ (995,000)	$ (1,575,000)
Percentage of total revenue	7.00%	17.00%	9.00%	15.00%
Industrial [Member] | Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues			$ (3,000)
Percentage of total revenue			0.00%
Industrial [Member] | Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (18,000)	$ 0	$ (22,000)	$ (22,000)
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Industrial [Member] | Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (626,000)	$ (671,000)	$ (2,016,000)	$ (878,000)
Percentage of total revenue	11.00%	11.00%	17.00%	9.00%
Industrial [Member] | AUSTRALIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (20,000)	$ (7,000)	$ (20,000)	$ (7,000)
Percentage of total revenue	0.00%	0.00%	0.00%	0.00%
Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 79,343,000		$ 79,343,000		91,322,000
Operating Segments [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(4,405,000)	$ (3,705,000)	(7,403,000)	$ (6,665,000)
Net Income (Loss) Attributable to Parent	(8,844,000)	(7,141,000)	(14,834,000)	(15,052,000)
Total assets	74,693,000		74,693,000		82,707,000
Operating Segments [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,948,000)	(2,222,000)	(4,604,000)	(3,641,000)
Net Income (Loss) Attributable to Parent	(397,000)	(191,000)	57,000	(138,000)
Total assets	4,650,000		4,650,000		8,615,000
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	409,000	0	409,000	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	409,000	0	409,000	0
Property, Plant and Equipment [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	5,126,000		5,126,000		5,077,000
Property, Plant and Equipment [Member] | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	2,249,000		2,249,000		2,456,000
Property, Plant and Equipment [Member] | UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	169,000		169,000		192,000
Property, Plant and Equipment [Member] | CHINA
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	2,509,000		2,509,000		338,000
Property, Plant and Equipment [Member] | JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	167,000		167,000		206,000
Property, Plant and Equipment [Member] | KOREA, REPUBLIC OF
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	32,000		32,000		$ 1,885,000
Military Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,637,000)	(2,236,000)	(3,921,000)	(3,573,000)
Military Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,067,000)	(954,000)	(1,865,000)	(1,808,000)
Military Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(570,000)	(1,282,000)	(2,056,000)	(1,765,000)
Research and Development [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,472,000)	(948,000)	(2,081,000)	(1,393,000)
Research and Development [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,322,000)	(939,000)	(1,883,000)	(1,384,000)
Research and Development [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(150,000)	(9,000)	(198,000)	(9,000)
Industrial Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,220,000)	(1,420,000)	(2,979,000)	(2,911,000)
Industrial Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(472,000)	(522,000)	(1,220,000)	(1,109,000)
Industrial Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(748,000)	(898,000)	(1,759,000)	(1,802,000)
Consumer Customers [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,505,000)	(884,000)	(2,396,000)	(1,528,000)
Consumer Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(1,505,000)	(884,000)	(2,396,000)	(1,528,000)
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	(110,000)	(439,000)	(221,000)	(901,000)
All Other Customers [Member] | Kopin United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(39,000)	(406,000)	(39,000)	(836,000)
All Other Customers [Member] | Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ (71,000)	$ (33,000)	$ (182,000)	$ (65,000)

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