Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivative assets, current	$ 7,582	$ 31,480
derivatives liability – current	5,380	13,054
Derivative instruments	0	16,059
Derivative instruments	0	65
Commodity Contract [Member]
Total recurring fair value measurements	(2,202)
Commodity Contract [Member] | Fair Value, Recurring [Member]
Derivative assets, current	7,582	31,480
derivatives liability – current	5,380	13,054
Derivative instruments		16,059
Total recurring fair value measurements	2,202	34,420
Total assets		47,539
Derivative instruments		65
Total liabilities		13,119
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative assets, current	0	0
derivatives liability – current	0	0
Derivative instruments		0
Total recurring fair value measurements	0	0
Total assets		0
Derivative instruments		0
Total liabilities		0
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative assets, current	7,582	31,480
derivatives liability – current	5,380	13,054
Derivative instruments		16,059
Total recurring fair value measurements	2,202	34,420
Total assets		47,539
Derivative instruments		65
Total liabilities		13,119
Commodity Contract [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative assets, current	0	0
derivatives liability – current	0	0
Derivative instruments		0
Total recurring fair value measurements	$ 0	0
Total assets		0
Derivative instruments		0
Total liabilities		$ 0