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Note 15 - Long-term Debt - Summary of Long-term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Credit facility, interest payable monthly $ 110.0  
Less current portion (7.5) $ (7.5)
Total long-term debt $ 102.5 129.5
Credit Facility [Member]    
Interest rate 5.80%  
Credit facility, interest payable monthly $ 110.0 $ 137.0