Note 13 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

	Nine Months Ended September 30, 2021
Current tax expense	$	—
Deferred tax expense		4,680
Income tax expense	$	4,680

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

	Nine Months Ended September 30, 2021
Income tax expense at U.S. federal statutory rate	$	4,875
Limited tax benefit due to stock-based compensation		(61	)
Other		(134	)
Income tax expense	$	4,680
Effective income tax rate	20.2		%

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

	September 30, 2021			December 31, 2020
Deferred tax assets:
Unrecognized derivative losses	$	4,074		$	—
Stock-based compensation		3,589			3,124
Net operating loss carryforwards		51			9,725
Other		79			31
Less: Valuation allowance		—			—
Net deferred tax assets		7,793			12,880
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		(51,371	)		(51,778	)
Net deferred tax liabilities	$	(43,578	)	$	(38,898	)