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Concentrations of Risk
 12 Months Ended
Dec. 31, 2022
Risks and Uncertainties [Abstract]  
Concentrations of Risk

7. Concentrations of Risk

 

Ongoing credit evaluations of customers’ financial condition are performed and collateral, such as letters of credit, are generally not required. Customer’s accounts receivable balance as a percentage of total accounts receivable was as follows:

 

   Percent of Gross Accounts Receivable 
Customer  December 31, 2022   December 25, 2021 
Collins Aerospace   28%   29%
DRS Network & Imaging Systems, LLC   37%   35%

 

Sales to significant non-affiliated customers for fiscal years 2022, 2021 and 2020, as a percentage of total revenues, is as follows:

 

   Sales as a Percent of Total Revenue 
    Fiscal Year 
   2022    2021    2020 
Customer               
Defense Customers in Total   52%   40%   50%
DRS Network & Imaging Systems, LLC   40%   31%   35%
Collins Aerospace   28%   30%   27%
Funded Research and Development Contracts   30%   32%   25%

 

Note: The caption “Defense Customers in Total” excludes research and development contracts.

 

 

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)