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v3.20.4

Schedule of Restated Consolidated Statement of Operations (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 26, 2020 | Sep. 26, 2020 | Jun. 27, 2020 | Mar. 28, 2020 | Dec. 28, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | [1] | Mar. 30, 2019 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 40,127,669 | $ 29,518,809 | $ 24,465,005
Cost of product revenues |  |  |  |  |  |  |  |  | 21,398,381 | 20,901,538 | 15,831,441
Net loss attributable to Kopin Corporation | $ 1,263,000 | $ (957,000) | $ (1,122,000) | $ (3,596,000) | $ (7,290,000) | $ (6,625,000) | $ (4,260,000) | $ (11,331,000) | (4,411,112) | (29,506,252) | (34,533,542)
Balances Without Adoption of Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost of product revenues |  |  |  |  |  |  |  |  |  |  | 16,809,343
Net loss attributable to Kopin Corporation |  |  |  |  |  |  |  |  |  |  | (34,649,482)
Effect of Change Higher/(Lower) [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost of product revenues |  |  |  |  |  |  |  |  |  |  | (977,902)
Net loss attributable to Kopin Corporation |  |  |  |  |  |  |  |  |  |  | 115,940
Net Product Revenues [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 28,517,874 | 20,283,888 | 19,211,115
Net Product Revenues [Member] | Balances Without Adoption of Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | 19,726,901
Net Product Revenues [Member] | Effect of Change Higher/(Lower) [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | (515,786)
Research and Development and Other Revenues [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 11,609,795 | $ 9,234,921 | 5,253,890
Research and Development and Other Revenues [Member] | Balances Without Adoption of Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | 5,600,066
Research and Development and Other Revenues [Member] | Effect of Change Higher/(Lower) [Member] |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  | $ (346,176)
[1] | Includes $3.5 million revenue from licensing functional IP for the three month period ended June 29, 2019.

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