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Note 4 - Unproven Oil and Gas Properties, Full Cost Method - Schedule of Impairment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Impairment of oil and gas property $ 0 $ 135
Drilling Costs, and Other Operational Related Costs [Member]    
Impairment of oil and gas property 0 75
Capitalized Acquisition Costs [Member]    
Impairment of oil and gas property $ 0 $ 60