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Note 15 - Product Line Disposition (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Feb. 17, 2023
Mar. 31, 2023
Mar. 31, 2022
Gain (Loss) on Disposition of Business   $ 403 $ (0)
Hoefer Product Line [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]      
Disposal Group, Including Discontinued Operation, Consideration $ 500    
Disposal Group, Including Discontinued Operation, Assets 100    
Gain (Loss) on Disposition of Business $ 400