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Note 6 - Sale of Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 30, 2024
Dec. 28, 2024
Dec. 28, 2024
Dec. 23, 2023
Proceeds from Sale of Productive Assets     $ 1,100 $ 0
Wiscale, LLC [Member]        
Proceeds from Sale of Productive Assets $ 1,100      
Wiscale, LLC [Member] | Other Income [Member]        
Gain (Loss) on Disposition of Assets   $ 800