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Segments and Disaggregation of Revenue (Percentage of Net Revenues by Geographies) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 8,727,000	$ 6,139,000	$ 9,110,000	$ 5,543,000	$ 7,741,000	$ 5,126,000	$ 5,944,000	$ 5,654,000	$ 29,518,809	$ 24,465,005	$ 27,841,490
Kopin [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 29,519,000	$ 24,465,000	$ 27,841,000
Percent of Total									100.00%	100.00%	100.00%
Kopin [Member] | UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 14,946,000	$ 14,436,000	$ 16,540,000
Percent of Total									51.00%	59.00%	59.00%
Kopin [Member] | Others
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 134,000	$ 123,000	$ 86,000
Percent of Total									0.00%	1.00%	0.00%
Kopin [Member] | Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 15,080,000	$ 14,559,000	$ 16,626,000
Percent of Total									51.00%	60.00%	60.00%
Kopin [Member] | Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 11,768,000	$ 6,916,000	$ 5,406,000
Percent of Total									40.00%	28.00%	19.00%
Kopin [Member] | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 2,628,000	$ 2,948,000	$ 5,809,000
Percent of Total									9.00%	12.00%	21.00%
Kopin [Member] | Others [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									$ 42,000	$ 42,000	$ 0
Percent of Total									0.00%	0.00%	0.00%

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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