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Note 5 - Derivative Financial Instruments - Price Risk Derivative Contracts (Details) - Not Designated as Hedging Instrument [Member] - Forecast [Member] | 3 Months Ended
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Mar. 31, 2027 MMBTU $ / MMBTU | Dec. 31, 2026 MMBTU $ / MMBTU | Sep. 30, 2026 MMBTU $ / MMBTU | Jun. 30, 2026 MMBTU $ / MMBTU | Mar. 31, 2026 MMBTU $ / MMBTU $ / bbl bbl | Dec. 31, 2025 MMBTU $ / MMBTU $ / bbl bbl | Sep. 30, 2025 MMBTU $ / MMBTU $ / bbl bbl | Jun. 30, 2025 MMBTU $ / MMBTU $ / bbl bbl
Natural Gas Derivative Swap [Member] |  |  |  |  |  |  |  |
MMBtu Per Day (Millions of British Thermal Unit) | MMBTU | 19,667 | 30,000 | 30,000 | 30,000 | 19,667 | 30,000 | 30,000 | 30,000
Price per MMBtu (in USD per Millions of British Thermal Unit) | $ / MMBTU | 4.3 | 4.3 | 4.3 | 4.3 | 4.43 | 4.43 | 4.43 | 4.43
Crude Oil Derivative Swap [Member] |  |  |  |  |  |  |  |
Bbls per day (Barrel of Oil) | bbl |  |  |  |  |  |  | 3,000 | 5,500
Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 75.85 | 76.37
Floor or Strike Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 0 | 0
Ceiling Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 0 | 0
Deferred Premium Payable per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 0 | 0
Crude Oil Derivative Collar [Member] |  |  |  |  |  |  |  |
Bbls per day (Barrel of Oil) | bbl |  |  |  |  | 5,000 | 5,000 | 7,000 | 7,989
Price per Bbl (in USD per Barrel of Oil) |  |  |  |  | 0 | 0 | 0 | 0
Floor or Strike Price per Bbl (in USD per Barrel of Oil) |  |  |  |  | 60 | 60 | 65 | 64.38
Ceiling Price per Bbl (in USD per Barrel of Oil) |  |  |  |  | 72.8 | 72.8 | 90.08 | 88.55
Deferred Premium Payable per Bbl (in USD per Barrel of Oil) |  |  |  |  | 0 | 0 | 2.28 | 2
Crude Oil Derivative Put [Member] |  |  |  |  |  |  |  |
Bbls per day (Barrel of Oil) | bbl |  |  |  |  |  |  | 9,000 | 9,000
Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 0 | 0
Floor or Strike Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 65.78 | 65.78
Ceiling Price per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 0 | 0
Deferred Premium Payable per Bbl (in USD per Barrel of Oil) |  |  |  |  |  |  | 5 | 5

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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 Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
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- Definition Nominal volume used to calculate payments on a derivative instrument. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 181 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-181 + 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/1943274/2147477271/946-320-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/1943274/2147477271/946-320-S99-5 + Details
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- Definition Fixed price related to the price risk swap derivative. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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