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SEGMENTS AND GEOGRAPHICAL INFORMATION (Details) - USD ($)	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Dec. 29, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 5,542,925	$ 5,653,620
Net loss attributable to Kopin Corporation	(11,330,927)	$ (5,536,278)
Total assets	$ 61,427,273		$ 59,549,111
Percentage of total revenue	99.00%	100.00%
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,406,000	$ 3,597,000
Percentage of total revenue	43.00%	64.00%
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 18,000	$ 6,000
Percentage of total revenue	0.00%	0.00%
Total Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,424,000	$ 3,603,000
Percentage of total revenue	43.00%	64.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,872,000	$ 1,173,000
Percentage of total revenue	34.00%	21.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,247,000	$ 875,000
Percentage of total revenue	22.00%	15.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 3,000
Percentage of total revenue		0.00%
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 61,427,000		59,549,000
Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(491,000)	$ 0
Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 3,456,000	$ 2,997,000
Percentage of total revenue	63.00%	53.00%
Kopin | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,027,000	$ 2,209,000
Percentage of total revenue	37.00%	39.00%
Kopin | Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 11,000	$ 2,000
Percentage of total revenue	0.00%	0.00%
Kopin | Total Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,038,000	$ 2,211,000
Percentage of total revenue	37.00%	39.00%
Kopin | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,031,000	$ 480,000
Percentage of total revenue	19.00%	9.00%
Kopin | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 387,000	$ 306,000
Percentage of total revenue	7.00%	5.00%
Kopin | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 0
Percentage of total revenue		0.00%
Kopin | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 3,456,000	$ 2,997,000
Net loss attributable to Kopin Corporation	(11,894,000)	(5,990,000)
Total assets	53,288,000		50,995,000
Kopin | Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,087,000	$ 2,657,000
Percentage of total revenue	38.00%	47.00%
Industrial | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 379,000	$ 1,388,000
Percentage of total revenue	7.00%	25.00%
Industrial | Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 7,000	$ 4,000
Percentage of total revenue	0.00%	0.00%
Industrial | Total Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 386,000	$ 1,392,000
Percentage of total revenue	7.00%	25.00%
Industrial | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 841,000	$ 693,000
Percentage of total revenue	15.00%	12.00%
Industrial | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 860,000	$ 569,000
Percentage of total revenue	16.00%	10.00%
Industrial | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues		$ 3,000
Percentage of total revenue		0.00%
Industrial | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,578,000	$ 2,657,000
Net loss attributable to Kopin Corporation	563,000	310,000
Total assets	8,139,000		8,554,000
Industrial | Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(491,000)	0
Property, Plant and Equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	2,234,000		2,599,000
Property, Plant and Equipment | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,934,000		2,101,000
Property, Plant and Equipment | United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	196,000		197,000
Property, Plant and Equipment | China
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	61,000		251,000
Property, Plant and Equipment | Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	43,000		$ 50,000
Military
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,441,000	2,284,000
Military | Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,078,000	798,000
Military | Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	363,000	1,486,000
Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,503,000	1,759,000
Industrial | Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	936,000	748,000
Industrial | Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,567,000	1,011,000
Consumer
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	646,000	891,000
Consumer | Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	646,000	891,000
Consumer | Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
R&D
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	929,000	609,000
R&D | Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	789,000	560,000
R&D | Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	140,000	49,000
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	24,000	111,000
Other | Kopin
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	7,000	0
Other | Industrial
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 17,000	$ 111,000

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