Note 6 - Exploratory Well Costs (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Year Ended December 31, 2021
Beginning capitalized exploratory well costs	$	32,592
Additions to exploratory well costs		189,859
Reclassification to proved properties		(194,375	)
Exploratory well costs charged to exploration and abandonment expense		—
Ending capitalized exploratory well costs	$	28,076