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v3.20.1

Segments and Disaggregation of Revenue (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
Segment Reporting Information [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)
Property, Plant and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long lived assets | 1,473,000 |  |  |  | 2,599,000 |  |  |  | 1,473,000 | 2,599,000 |
UNITED STATES | Property, Plant and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long lived assets | 1,233,000 |  |  |  | 2,101,000 |  |  |  | 1,233,000 | 2,101,000 |
UNITED KINGDOM | Property, Plant and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long lived assets | 177,000 |  |  |  | 197,000 |  |  |  | 177,000 | 197,000 |
CHINA | Property, Plant and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long lived assets | 37,000 |  |  |  | 251,000 |  |  |  | 37,000 | 251,000 |
JAPAN | Property, Plant and Equipment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long lived assets | $ 26,000 |  |  |  | $ 50,000 |  |  |  | 26,000 | 50,000 |
Kopin [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (29,519,000) | (24,465,000) | (27,841,000)
Kopin [Member] | Industrial Customers [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (9,717,000) | (6,066,000) | (5,478,000)
Kopin [Member] | Consumer Customers [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (1,777,000) | (4,146,000) | (4,406,000)
Kopin [Member] | Research and Development [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (4,983,000) | (5,254,000) | (2,947,000)
Kopin [Member] | All Other Customers [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (61,000) | (275,000) | (1,573,000)
Kopin [Member] | Military Customers in Total |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (8,729,000) | (8,724,000) | (13,438,000)
Kopin [Member] | License and Royalties [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (4,252,000) | 0 | 0
Kopin [Member] | UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ (14,946,000) | $ (14,436,000) | $ (16,540,000)

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