Note 4 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

	As of March 31, 2023
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total
Liabilities:
Commodity price derivatives – current		—		11,265			—		11,265
Commodity price derivatives – noncurrent		—		797			—		797
Total liabilities		—		12,062			—		12,062
Total recurring fair value measurements	$	—	$	(12,062	)	$	—	$	(12,062	)

	As of December 31, 2022
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total
Assets:
Commodity price derivatives	$	—	$	17		$	—	$	17
Liabilities:
Commodity price derivatives – current		—		16,702			—		16,702
Commodity price derivatives – noncurrent		—		691			—		691
Total liabilities		—		17,393			—		17,393
Total recurring fair value measurements	$	—	$	(17,376	)	$	—	$	(17,376	)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	As of March 31, 2023				As of December 31, 2022
	Carrying				Carrying
	Value		Fair Value		Value		Fair Value
Liabilities:
Current portion of long-term debt:
10.000% Senior Notes (a)	$	225,000	$	225,000	$	225,000	$	225,000
Long-term debt:
10.625% Senior Notes (a)	$	250,000	$	250,000	$	250,000	$	250,000