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Note 5 - Accrued Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, |
|  | 2021 |  |  | 2020 |
Payroll, bonus, and benefits |  | $ | 41 |  |  | $ | 240 |
Legal and consulting |  |  | 371 |  |  |  | 104 |
Well development |  |  | 113 |  |  |  | 113 |
Other accrued expenses |  |  | 283 |  |  |  | 217 |
|  | $ | 808 |  |  | $ | 674 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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- References No definition available. + Details
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