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Note 5 - Property and Equipment (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Jun. 29, 2024
Write Off of Fully Depreciated Property and Equipment       $ 19  
Depreciation, Nonproduction $ 401 $ 332 $ 825 $ 619 $ 619