Note 8 - Derivatives and Fair Value - Gain Loss on Derivative Instruments (Details) - Crude Oil Swaps [Member] - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2024 |
Mar. 31, 2023 |
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| Derivative instruments loss, net | $ (847) | $ 21 |
| Cash Settlements Paid on Matured Derivative Contracts, Net [Member] | ||
| Derivative instruments loss, net | (24) | (59) |
| Unrealized Gain (Loss) [Member] | ||
| Derivative instruments loss, net | $ (823) | $ 80 |
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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