Note 6 - Exploratory Extension Well Costs (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Capitalized Exploratory Well Costs, Roll Forward [Table Text Block]

	Year Ended December 31,
	2023			2022			2021
Beginning capitalized exploratory/extension well costs	$	186,427		$	28,076		$	32,592
Additions to exploratory/extension well costs		527,502			655,294			189,859
Reclassification to proved properties		(673,041	)		(496,943	)		(194,375	)
Exploratory/extension well costs charged to exploration and abandonment expense		—			—			—
Ending capitalized exploratory/extension well costs	$	40,888		$	186,427		$	28,076