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Note 6 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Payroll, bonus, and benefits $ 110 $ 90
Legal and consulting 1,444 284
Water project, pipeline development and well development 559 146
Other accrued expenses 884 650
Total accrued liabilities 7,997 1,170
Northern Pipeline Agreement [Member]    
Pipeline purchase option $ 5,000 $ 0