Note 5 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	Estimated		December 31,
	Useful life		2021			2022
	Years		(In thousands)
Oil and gas properties (1)		-	$	1,165,707		$	1,122,670
Equipment and other		3-39		15,257			3,386
Drilling rig (1) (2)		15		24,080			-
				1,205,044			1,126,056
Accumulated depreciation, depletion, amortization and impairment				(1,099,075	)		(1,082,069	)
Net property and equipment			$	105,969		$	43,987