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Note 7 - Accrued Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Payroll, bonus, and benefits |  | $ | 90 |  |  | $ | 88 |
Legal and consulting |  |  | 284 |  |  |  | 403 |
Water project and well development |  |  | 146 |  |  |  | 794 |
Other accrued expenses |  |  | 650 |  |  |  | 260 |
|  | $ | 1,170 |  |  | $ | 1,545 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration