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Note 15 - Supplemental Disclosures of Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
|  | (in thousands) |
Cash paid for interest |  | $ | 254 |  |  | $ | 268 |
Cash received for income taxes |  |  | (70 | ) |  |  | - |
Investing activities: |  |  |  |  |  |  |  |
Change in capital expenditure accruals |  |  | - |  |  |  | 18 |
Asset retirement obligations |  |  | (158 | ) |  |  | 43 |
Financing activities: |  |  |  |  |  |  |  |
Accrual for repurchase of common stock |  |  | (59 | ) |  |  |  |
Financing of insurance premiums with note payable |  |  | - |  |  |  | 654 |

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