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Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Commodity price derivatives – current | $ 1,726 | $ 4,133
Derivatives | 27,776 | 16,702
Derivatives | 3,743 | 691
Commodity Contract [Member] |  |
Total liabilities | (27,242) |
Commodity Contract [Member] | Fair Value, Recurring [Member] |  |
Commodity price derivatives – current | 3,247 |
Commodity price derivatives | 4,277 | 17
Commodity price derivatives – current | 1,030 |
Derivatives | 27,776 | 16,702
Total liabilities | 4,277 | 17
Derivatives | 3,743 | 691
Total liabilities | 31,519 | 17,393
Total recurring fair value measurements | (27,242) | (17,376)
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Commodity price derivatives – current | 0 |
Commodity price derivatives | 0 | 0
Commodity price derivatives – current | 0 |
Derivatives | 0 | 0
Total liabilities | 0 | 0
Derivatives | 0 | 0
Total liabilities | 0 | 0
Total recurring fair value measurements | 0 | 0
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Commodity price derivatives – current | 3,247 |
Commodity price derivatives | 4,277 | 17
Commodity price derivatives – current | 1,030 |
Derivatives | 27,776 | 16,702
Total liabilities | 4,277 | 17
Derivatives | 3,743 | 691
Total liabilities | 31,519 | 17,393
Total recurring fair value measurements | (27,242) | (17,376)
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Commodity price derivatives – current | 0 |
Commodity price derivatives | 0 | 0
Commodity price derivatives – current | 0 |
Derivatives | 0 | 0
Total liabilities | 0 | 0
Derivatives | 0 | 0
Total liabilities | 0 | 0
Total recurring fair value measurements | $ 0 | $ 0

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