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Note 16 - Subsequent Events (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Mar. 31, 2024
Impairment, Oil and Gas, Property with Unproved and Proved Reserves   $ 0 $ 5,419
Minimum [Member] | Forecast [Member]      
Impairment, Oil and Gas, Property with Unproved and Proved Reserves $ 7,000    
Maximum [Member] | Forecast [Member]      
Impairment, Oil and Gas, Property with Unproved and Proved Reserves $ 8,000