Note 13 - Income Taxes (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Current income tax expense:
Federal	$	—	$	—	$	—	$	—
State		—		—		—		—
Total current income tax expense		—		—		—		—
Deferred income tax expense:
Federal		23,315		1,420		23,127		2,535
State		757		—		633		—
Deferred income tax expense		24,072		1,420		23,760		2,535
Total income tax expense	$	24,072	$	1,420	$	23,760	$	2,535

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Income tax expense at U.S. federal statutory rate	$	21,343		$	1,505		$	17,810		$	2,735
Limited tax benefit due to stock-based compensation		1,930			28			5,536			(81	)
State deferred income taxes		848			—			724			—
Other, net		(49	)		(113	)		(310	)		(119	)
Income tax expense	$	24,072		$	1,420		$	23,760		$	2,535
Effective income tax rate		23.7	%		19.8	%		28.0	%		19.5	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	June 30, 2022			December 31, 2021
Deferred tax assets:
Unrecognized derivative losses	$	6,890		$	3,248
Net operating loss carryforwards		4,037			2,870
Interest expense limitations		3,052			—
Stock-based compensation		2,629			4,373
Other		97			31
Deferred tax assets		16,705			10,522
Deferred tax liabilities:
Crude oil and natural gas properties, principally due to differences in basis and depreciation and the deduction of intangible drilling costs for tax purposes		(96,267	)		(66,324	)
Net deferred tax liabilities	$	(79,562	)	$	(55,802	)