Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Revenues	$ 563	$ 1,390	$ 1,526	$ 2,562
Cost and expenses
Production costs and taxes	689	912	1,652	1,691
Depreciation, depletion, and amortization	155	196	315	380
General and administrative	272	269	639	616
Total cost and expenses	1,116	1,377	2,606	2,687
Net income (loss) from operations	(553)	13	(1,080)	(125)
Other income (expense)
Interest expense	(2)	(3)	(4)	(6)
Gain (loss) on sale of assets	1	(1)	3	44
Total other income (expense)	(1)	(4)	(1)	38
Net loss from operations before income tax	(554)	9	(1,081)	(87)
Deferred income tax benefit (expense)
Net income (loss)	$ (554)	$ 9	$ (1,081)	$ (87)
Net income (loss) per share
Basic and fully diluted	$ (0.05)	$ 0.00	$ (0.10)	$ (0.01)
Shares used in computing earnings per share
Basic and fully diluted	10,673,458	10,648,663	10,669,794	10,646,442
Oil And Gas Properties Revenue [Member]
Revenues
Revenues	$ 563	$ 1,390	$ 1,526	$ 2,562