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Note 7 - Commodity Derivatives - Schedule of Derivative Gains and Losses (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
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Jan. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Total derivative settlement losses |  | $ (148) | $ (1,612) | $ (642) | $ (6,099)
Derivative, Gain (Loss) on Derivative, Net | $ 3,100 | (504) | 4,025 | 704 | (4,944)
Oil Contracts [Member] |  |  |  |  |
Total derivative settlement losses |  | (148) | (1,291) | (614) | (5,428)
Derivative, Gain (Loss) on Derivative, Net |  | (504) | 4,338 | 644 | (4,026)
Gas Contracts [Member] |  |  |  |  |
Total derivative settlement losses |  | 0 | (321) | (28) | (671)
Derivative, Gain (Loss) on Derivative, Net |  | $ 0 | $ (313) | $ 60 | $ (918)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Represents the amount of gain (loss) on derivative settlements. + References No definition available. + Details
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