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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 6,943,287	$ 6,078,645	$ 11,638,056	$ 12,397,730
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
Net Income (Loss) Attributable to Parent	(8,805,943)	(7,909,846)	(17,940,359)	13,723,963
Assets	131,091,314		131,091,314		146,131,723
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	52.00%	61.00%	47.00%	62.00%
All Others
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	1.00%	0.00%	0.00%	0.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	53.00%	61.00%	47.00%	62.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	34.00%	30.00%	39.00%	29.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	13.00%	9.00%	14.00%	9.00%
Segment, Continuing Operations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	6,943,287	6,078,645	11,638,056	12,397,730
Net Income (Loss) Attributable to Parent	(8,805,943)	(7,909,844)	(17,940,359)	13,723,963
Assets	131,091,314	170,418,608	131,091,314	170,418,608
Long-Lived Assets	5,311,665	6,429,706	5,311,665	6,429,706
Segment, Continuing Operations [Member] | Kopin United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	6,007,287	5,137,623	9,909,417	10,660,268
Net Income (Loss) Attributable to Parent	(8,478,562)	(7,523,217)	(17,102,677)	14,708,006
Assets	129,159,771	166,841,494	129,159,771	166,841,494
Long-Lived Assets	4,930,327	5,863,522	4,930,327	5,863,522
Segment, Continuing Operations [Member] | Forth Dimension Displays Limited [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	936,000	941,022	1,729,000	1,737,462
Net Income (Loss) Attributable to Parent	(327,381)	(386,627)	(837,682)	(984,043)
Assets	1,931,543	3,577,114	1,931,543	3,577,114
Long-Lived Assets	$ 381,338	$ 566,184	$ 381,338	$ 566,184

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