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Cover - shares
 3 Months Ended
Apr. 01, 2023
May 05, 2023
Cover [Abstract]    
Document Type 10-Q/A  
Amendment Flag true  
Amendment Description This amendment to Kopin Corporation’s Quarterly Report on Form 10-Q for the quarterly period ended April 1, 2023 filed with the Securities and Exchange Commission on May 11, 2023 is made solely to correct the amount of shares of the registrant’s Common Stock, par value $.01 per share, that were issued and outstanding as of May 5, 2023. No other changes to the disclosure in the original Form 10-Q are made by this Form 10-Q/A  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Apr. 01, 2023  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --12-30  
Entity File Number 000-19882  
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 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 Common Stock, Shares Outstanding   111,431,967