Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Revenues	$ 1,390	$ 1,475	$ 2,562	$ 2,843
Cost and expenses
Production costs and taxes	912	910	1,691	1,640
Depreciation, depletion, and amortization	196	196	380	379
General and administrative	269	272	616	608
Total cost and expenses	1,377	1,378	2,687	2,627
Net income (loss) from operations	13	97	(125)	216
Other income (expense)
Interest expense	(3)	(1)	(6)	(3)
Gain (loss) on sale of assets	(1)	3	44	19
Total other income (expense)	(4)	2	38	16
Net income (loss) from operations before income tax	9	99	(87)	232
Deferred income tax benefit
Net income (loss) from continuing operations	9	99	(87)	232
Net income from discontinued operations		10		1,120
Net income (loss)	$ 9	$ 109	$ (87)	$ 1,352
Net income (loss) per share - basic and fully diluted
Continuing operations	$ 0.00	$ 0.01	$ (0.01)	$ 0.02
Discontinued operations		$ 0.00		$ 0.11
Shares used in computing earnings per share
Basic and fully diluted	10,648,663.00	10,624,493.00	10,646,442.00	10,624,468.00
Oil And Gas Proeprties [Member]
Revenues
Revenues	$ 1,390	$ 1,475	$ 2,562	$ 2,843