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Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Dec. 30, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [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 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