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Note 16 - Subsequent Events (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Oct. 31, 2024 | Dec. 31, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Impairment, Oil and Gas, Property with Unproved and Proved Reserves |  |  | $ 1,424 | $ 6,495 | $ 6,843 | $ 6,495
Minimum [Member] | Forecast [Member] |  |  |  |  |  |
Impairment, Oil and Gas, Property with Unproved and Proved Reserves |  | $ 3,000 |  |  |  |
Maximum [Member] | Forecast [Member] |  |  |  |  |  |
Impairment, Oil and Gas, Property with Unproved and Proved Reserves |  | $ 4,000 |  |  |  |
Subsequent Event [Member] | Oil and Gas Properties [Member] |  |  |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment | $ 1,200 |  |  |  |  |

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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 The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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