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Segments and Disaggregation of Revenue (Percentage of Net Revenues by Geographies) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2018 | Sep. 29, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 30, 2017 | Sep. 30, 2017 | Jul. 01, 2017 | Apr. 01, 2017 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 7,741,000 | $ 5,126,000 | $ 5,944,000 | $ 5,654,000 | $ 11,397,000 | $ 6,139,000 | $ 5,927,000 | $ 4,378,000 | $ 24,465,005 | $ 27,841,490 | $ 22,642,566
Percent of Total |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 14,436,000 | $ 16,540,000 | $ 9,237,000
Percent of Total |  |  |  |  |  |  |  |  | 59.00% | 59.00% | 41.00%
Others |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 123,000 | $ 86,000 | $ 41,000
Percent of Total |  |  |  |  |  |  |  |  | 1.00% | 0.00% | 0.00%
Americas |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 14,559,000 | $ 16,626,000 | $ 9,278,000
Percent of Total |  |  |  |  |  |  |  |  | 60.00% | 60.00% | 41.00%
Asia-Pacific |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 6,916,000 | $ 5,406,000 | $ 9,849,000
Percent of Total |  |  |  |  |  |  |  |  | 28.00% | 19.00% | 43.00%
Europe |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 2,948,000 | $ 5,810,000 | $ 3,516,000
Percent of Total |  |  |  |  |  |  |  |  | 12.00% | 21.00% | 16.00%
Others [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 42,000 |  |
Percent of Total |  |  |  |  |  |  |  |  | 0.00% |  |
Kopin [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 16,981,000 | $ 15,942,000 | $ 18,733,000
Percent of Total |  |  |  |  |  |  |  |  | 69.00% | 57.00% | 82.00%
Kopin [Member] | UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 10,799,000 | $ 10,056,000 | $ 8,847,000
Percent of Total |  |  |  |  |  |  |  |  | 44.00% | 36.00% | 39.00%
Kopin [Member] | Others |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 49,000 | $ 24,000 | $ 41,000
Percent of Total |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 0.00%
Kopin [Member] | Americas |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 10,848,000 | $ 10,080,000 | $ 8,887,000
Percent of Total |  |  |  |  |  |  |  |  | 44.00% | 36.00% | 39.00%
Kopin [Member] | Asia-Pacific |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 4,932,000 | $ 4,006,000 | $ 7,588,000
Percent of Total |  |  |  |  |  |  |  |  | 20.00% | 14.00% | 33.00%
Kopin [Member] | Europe |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,194,000 | $ 1,856,000 | $ 2,258,000
Percent of Total |  |  |  |  |  |  |  |  | 5.00% | 7.00% | 10.00%
Kopin [Member] | Others [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 7,000 |  |
Percent of Total |  |  |  |  |  |  |  |  | 0.00% |  |
Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 7,484,000 | $ 11,900,000 | $ 3,909,000
Percent of Total |  |  |  |  |  |  |  |  | 30.00% | 43.00% | 18.00%
Industrial [Member] | UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 3,637,000 | $ 6,484,000 | $ 390,000
Percent of Total |  |  |  |  |  |  |  |  | 15.00% | 23.00% | 2.00%
Industrial [Member] | Others |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 74,000 | $ 62,000 | $ 0
Percent of Total |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 0.00%
Industrial [Member] | Americas |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 3,712,000 | $ 6,545,000 | $ 390,000
Percent of Total |  |  |  |  |  |  |  |  | 15.00% | 24.00% | 2.00%
Industrial [Member] | Asia-Pacific |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,984,000 | $ 1,401,000 | $ 2,260,000
Percent of Total |  |  |  |  |  |  |  |  | 8.00% | 5.00% | 10.00%
Industrial [Member] | Europe |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,754,000 | $ 3,954,000 | $ 1,258,000
Percent of Total |  |  |  |  |  |  |  |  | 7.00% | 14.00% | 6.00%
Industrial [Member] | Others [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 35,000 |  |
Percent of Total |  |  |  |  |  |  |  |  | 0.00% |  |

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