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Note 4 - Sale of Servus Brand and Related Assets (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Mar. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Proceeds from Divestiture of Businesses   $ 17,300 $ 0 $ 0
Gain (Loss) on Disposition of Business   1,341 $ (0) $ (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