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Note 7 - Long-term Debt - Annual Maturities on Long-term Debt Outstanding (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
2023 $ 58,815  
2024 62,490  
2025 53,038  
2026 34,801  
2027 32,491  
Thereafter 22,646  
Total $ 264,281 $ 222,277