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Note 5 - Other Current Receivables (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Nov. 30, 2024
Other Receivables, Net, Current $ 5,033 $ 5,143  
Non-qualified Deferred Compensation Plan [Member]      
Royalty Receivable $ 1,000 $ 1,100  
Other Receivables, Net, Current     $ 1,400