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Note 6 - Leases - Summary of Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 04, 2022
Jul. 03, 2022
Jul. 04, 2021
Operating cash flows used for operating leases $ 202 $ 203  
Operating cash flows used for finance leases 5 13  
Financing cash flows used for financing leases 156 198 $ 156
Total $ 363 $ 414