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Note 7 - Intangible Assets - Estimated Remaining Amortization Expense (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
2025 $ 146          
2026 269          
2027 240          
2028 190          
2029 93          
Total $ 938 $ 1,015 $ 1,092 $ 1,256 $ 1,342 $ 1,429