| Document and Entity Information | Jan. 24, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | KOPIN CORP |
| Security Exchange Name | NASDAQ |
| Amendment Flag | false |
| Entity Central Index Key | 0000771266 |
| Document Type | 8-K |
| Document Period End Date | Jan. 24, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 000-19882 |
| Entity Tax Identification Number | 04-2833935 |
| Entity Address, Address Line One | 125 North Drive |
| Entity Address, City or Town | Westborough |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01581 |
| City Area Code | (508) |
| Local Phone Number | 870-5959 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.01 |
| Trading Symbol | KOPN |
| Entity Emerging Growth Company | false |
