Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Interest expense limitations	$ 6,120	$ 0
Net operating loss carryforwards	4,602	2,870
Stock-based compensation	3,612	4,373
Unrecognized derivative losses	0	3,248
Other	266	31
Deferred tax assets	14,600	10,522
Crude oil and natural gas properties, principally due to differences in basis and depreciation and the deduction of intangible drilling costs for tax purposes	(124,423)	(66,324)
Unrecognized derivative gains	(1,336)	0
Deferred tax liabilities	(125,759)	(66,324)
Net deferred tax liabilities	$ 111,159	$ 55,802