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Note 5 - Derivative Financial Instruments - Price Risk Derivative Contracts (Details) - Not Designated as Hedging Instrument [Member] - Forecast [Member] | 2 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 30, 2024 $ / bbl bbl | Sep. 30, 2025 $ / bbl bbl | Jun. 30, 2025 $ / bbl bbl | Mar. 31, 2025 $ / bbl bbl | Sep. 30, 2024 $ / bbl bbl | Jun. 30, 2024 $ / bbl bbl | Mar. 31, 2024 $ / bbl bbl | Dec. 31, 2023 $ / bbl bbl
Crude Oil Derivative Swap [Member] |  |  |  |  |  |  |  |
Barrels Per Day (Barrel of Oil) | bbl | 5,500 | 3,000 | 5,500 | 5,500 | 4,000 | 4,000 | 4,000 | 11,300
Price (in USD per Barrel of Oil) | 76.37 | 75.85 | 76.37 | 76.37 | 84.00 | 84.00 | 84.00 | 77.84
Crude Oil Derivative Collar [Member] |  |  |  |  |  |  |  |
Barrels Per Day (Barrel of Oil) | bbl | 10,600 | 7,000 | 7,000 | 8,000 | 1,500 | 5,500 | 6,000 | 5,000
Floor Strike Price (in USD per Barrel of Oil) | 65.68 | 65.00 | 65.00 | 65.00 | 69.00 | 69.73 | 80.00 | 75.50
Ceiling Price (in USD per Barrel of Oil) | 90.32 | 90.08 | 90.08 | 90.00 | 95.00 | 95.00 | 100.00 | 100.00
Deferred Premium Payable (in USD per Barrel of Oil) | 1.85 | 2.28 | 2.28 | 2.12 | 0.85 | 0.61 |  | 0.35
Crude Oil Derivative Put [Member] |  |  |  |  |  |  |  |
Barrels Per Day (Barrel of Oil) | bbl | 2,000 | 2,000 | 2,000 | 2,000 | 14,000 | 14,000 | 20,000 | 19,000
Floor Strike Price (in USD per Barrel of Oil) | 58.00 | 58.00 | 58.00 | 58.00 | 60.41 | 60.41 | 66.44 | 69.46
Deferred Premium Payable (in USD per Barrel of Oil) | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00

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- Definition Deferred premium payable + References No definition available. + Details
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- Definition The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
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- Definition Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
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- Definition The strike price on the price risk option contract such as a put option or a call option. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-5 + Details
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