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Note 5 - Oil and Natural Gas Producing Activities (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) $ / item | Sep. 30, 2023 USD ($)
Oil and Gas Property, Ceiling Test, Discount Rate |  |  | 10.00% |
Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $ | $ 1,424 | $ 6,495 | $ 6,843 | $ 6,495
Crude Oil [Member] |  |  |  |
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share) |  |  | 78.64 |
Natural Gas and Natural Gas Liquids (NGL) [Member] |  |  |  |
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share) |  |  | 2.21 |

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- Definition Average sale price per unit of oil or gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph b -Subparagraph (1) -Publisher SEC + Details
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- Definition Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 + Details
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- Definition Represents the discount rate used in a ceiling test for oil and gas property. + References No definition available. + Details
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- Details
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