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Note 4 - Sale of Servus Brand and Related Assets (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Mar. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Proceeds from Divestiture of Businesses   $ 17,300 $ 0
Gain (Loss) on Disposition of Business   1,341 $ (0)
Servus Brand [Member] | Servus Brand [Member]      
Disposal Group, Including Discontinued Operation, Consideration $ 19,000    
Proceeds from Divestiture of Businesses 17,300    
Disposal Group, Including Discontinued Operation, Deferred Consideration $ 1,700    
Gain (Loss) on Disposition of Business   $ 1,300