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Note 10 - Asset Retirement Obligations (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Asset Retirement Obligations [Table Text Block] |
|  | September 30, 2025 |  |  | December 31, 2024 |
|  | (in thousands) |
Balance, beginning of year |  | $ | 14,083 |  |  | $ | 18,490 |
Acquired or incurred |  |  | 26 |  |  |  | 2 |
Cost and life revisions |  |  | (1,298 | ) |  |  | (150 | )
Plugged |  |  | (135 | ) |  |  | (374 | )
Sold |  |  | (493 | ) |  |  | (5,435 | )
Accretion |  |  | 848 |  |  |  | 1,550 |
Balance, end of period |  | $ | 13,031 |  |  | $ | 14,083 |
Asset retirement obligations - current |  | $ | 300 |  |  | $ | 1,000 |
Asset retirement obligations - noncurrent |  |  | 12,731 |  |  |  | 13,083 |
Balance, end of period |  | $ | 13,031 |  |  | $ | 14,083 |

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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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