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Allowance for Credit Losses (Tables)
 12 Months Ended
Dec. 28, 2024
Receivables [Abstract]  
Schedule of Valuation and Qualifying Accounts

The following table sets forth activity in Kopin’s allowance for credit losses:

 

Fiscal year ended:  Balance at
Beginning
of Year		   Additions
Charged
to
Income		   Deductions
from
Reserve		   Balance at
End of
Year		 
December 31, 2022  $150,000   $322,000   $(169,000)  $303,000 
December 30, 2023   303,000    789,000    (67,000)   1,025,000 
December 28, 2024  $1,025,000   $85,000   $(35,000)  $1,075,000