Note 7 - Commodity Derivatices (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Jan. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Derivative, Gain (Loss) on Derivative, Net	$ 3,100	$ 2,882	$ (5,682)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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

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