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Segments and Geographical Information (Details)	3 Months Ended								12 Months Ended
	Dec. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jul. 01, 2017 USD ($)	Apr. 01, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 24, 2016 USD ($)	Jun. 25, 2016 USD ($)	Mar. 26, 2016 USD ($)	Dec. 30, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)	Dec. 26, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment									2
Revenues	$ 11,397,000	$ 6,139,000	$ 5,927,000	$ 4,378,000	$ 6,373,000	$ 5,795,000	$ 4,355,000	$ 6,119,000	$ 27,841,490	$ 22,642,566	$ 32,054,419
Net Income (Loss) Attributable to Parent	(1,803,000)	$ (8,247,000)	$ (7,332,000)	$ (7,858,000)	(5,190,000)	$ (8,117,000)	$ (3,194,000)	$ (6,932,000)	(25,240,482)	(23,434,116)	(14,693,416)
Total assets	91,322,490				87,832,272				91,322,490	87,832,272
Kopin U.S.
Segment Reporting Information [Line Items]
Revenues									15,942,000	18,734,000	28,538,000
Net Income (Loss) Attributable to Parent									(26,153,000)	(22,622,000)	(13,429,000)
Total assets	82,707,000				86,084,000				82,707,000	86,084,000
Industrial
Segment Reporting Information [Line Items]
Revenues									13,584,000	3,909,000	3,516,000
Net Income (Loss) Attributable to Parent									1,277,000	(812,000)	(1,264,000)
Total assets	$ 8,615,000				$ 1,748,000				8,615,000	1,748,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues									(1,685,000)	0	0
Net Income (Loss) Attributable to Parent									(364,000)	0	0
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenues									1,685,000	0	0
Net Income (Loss) Attributable to Parent									364,000	0	0
Intersegment Eliminations | Kopin U.S.
Segment Reporting Information [Line Items]
Revenues									0	0	0
Net Income (Loss) Attributable to Parent									0	0	0
Intersegment Eliminations | Industrial
Segment Reporting Information [Line Items]
Revenues									1,685,000	0	0
Net Income (Loss) Attributable to Parent									364,000	0	0
UNITED STATES
Segment Reporting Information [Line Items]
Revenues									$ 16,539,000	$ 9,237,000	$ 21,758,000

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