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Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable - Accounts Receivable (Details) - USD ($)
$ in Thousands
Jul. 02, 2022
Jan. 01, 2022
Allowance for sales discounts and doubtful accounts $ (1,175) $ (1,197)
Accounts receivable, net 45,275 48,240
Billed Revenues [Member]    
Accounts receivable, current 38,513 37,396
Unbilled Revenues [Member]    
Accounts receivable, current 4,479 10,231
Work In Progress [Member]    
Accounts receivable, current $ 3,458 $ 1,810