XML 25 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover - USD ($)
 12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Apr. 16, 2025
Jun. 29, 2024
Cover [Abstract]        
Document Type 10-K      
Amendment Flag false      
Document Annual Report true      
Document Transition Report false      
Document Period End Date Dec. 28, 2024      
Document Fiscal Period Focus FY      
Document Fiscal Year Focus 2024      
Current Fiscal Year End Date --12-28      
Entity File Number 0-19882      
Entity Registrant Name KOPIN CORPORATION      
Entity Central Index Key 0000771266      
Entity Tax Identification Number 04-2833935      
Entity Incorporation, State or Country Code DE      
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 01581-3335      
City Area Code (508)      
Local Phone Number 870-5959      
Title of 12(b) Security Common Stock, par value $0.01      
Trading Symbol KOPN      
Security Exchange Name NASDAQ      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Non-accelerated Filer      
Entity Small Business true      
Entity Emerging Growth Company false      
Entity Shell Company false      
Entity Public Float       $ 99,230,825
Entity Common Stock, Shares Outstanding     162,067,000  
Documents Incorporated By Reference Portions of the definitive proxy statement relating to the registrant’s annual meeting of stockholders are incorporated by reference in response to Items 10, 11, 12, 13 and 14 of Part III of this Form 10-K.      
Document Financial Statement Error Correction [Flag] false      
Entity Listing, Par Value Per Share $ 0.01      
Auditor Firm ID 243 49    
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheet of Kopin Corporation (the “Company”) as of December 28, 2024, the related consolidated statement of operations, comprehensive loss, stockholders’ equity, and cash flows for the year then ended, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 28, 2024, and the results of its operations and its cash flows for the year then ended, in conformity with accounting principles generally accepted in the United States of America.      
Auditor Name BDO USA, P.C. RSM US LLP    
Auditor Location Boston, Massachusetts Boston, Massachusetts