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Note 8 - Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Asset Retirement Obligations [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |
|  | (in thousands) |
Balance, beginning of year |  | $ | 15,442 |  |  | $ | 1,461 |
Acquired |  |  | 11 |  |  |  | 11,811 |
Cost and life revisions |  |  | 2,494 |  |  |  | 1,825 |
Plugged |  |  | (215 | ) |  |  | (407 | )
Sold |  |  | (458 | ) |  |  | (189 | )
Accretion |  |  | 1,216 |  |  |  | 941 |
Balance, end of year |  | $ | 18,490 |  |  | $ | 15,442 |
Asset retirement obligations - current |  | $ | 1,273 |  |  | $ | 668 |
Asset retirement obligations - noncurrent |  |  | 17,217 |  |  |  | 14,774 |
Balance, end of year |  | $ | 18,490 |  |  | $ | 15,442 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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