Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Revenue - Summary of Receivables and Deferred Revenue Liabilities From Contracts With Customers (Details) (Parentheticals)

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Note 4 - Revenue - Summary of Receivables and Deferred Revenue Liabilities From Contracts With Customers (Details) (Parentheticals) - USD ($)
$ in Thousands
Sep. 25, 2022
Dec. 26, 2021
Allowance for doubtful accounts $ 151 $ 106