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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 30, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | 16. Valuation and Qualifying Accounts The following table sets forth activity in Kopin’s allowance for credit losses: Schedule of Valuation and Qualifying Accounts
Fiscal year ended: |  | Balance at Beginning of Year |  |  | Additions Charged to Income |  |  | Deductions from Reserve |  |  | Balance at End of Year |
December 25 2021 |  | $ | 175,000 |  |  | $ | 55,000 |  |  | $ | (80,000 | ) |  | $ | 150,000 |
December 31, 2022 |  |  | 150,000 |  |  |  | 322,000 |  |  |  | (169,000 | ) |  |  | 303,000 |
December 30, 2023 |  | $ | 303,000 |  |  | $ | 789,000 |  |  | $ | (67,000 | ) |  | $ | 1,025,000 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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