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Note 6 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Payroll, bonus, and benefits $ 88 $ 41
Legal and consulting 403 371
Well development 709 113
Water project 85 0
Other accrued expenses 260 283
Total accrued liabilities $ 1,545 $ 808