Condensed Consolidated Statements Of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Revenues	$ 1,654,000	$ 1,035,000	$ 4,497,000	$ 3,383,000
Cost and expenses
Production costs and taxes	862,000	907,000	2,502,000	2,595,000
Depreciation, depletion, and amortization	219,000	210,000	599,000	658,000
General and administrative	288,000	268,000	896,000	860,000
Total cost and expenses	1,369,000	1,385,000	3,997,000	4,113,000
Net income (loss) from operations	285,000	(350,000)	500,000	(730,000)
Other income (expense)
Interest expense	(1,000)	(16,000)	(4,000)	(36,000)
Gain on sale of assets	14,000	5,000	34,000	5,000
Total other income (expense)	13,000	(11,000)	30,000	(31,000)
Net income (loss) from operations before income tax	298,000	(361,000)	530,000	(761,000)
Deferred income tax benefit
Net income (loss) from continuing operations	298,000	(361,000)	530,000	(761,000)
Net income from discontinued operations		46,000	1,120,000	55,000
Net income (loss)	$ 298,000	$ (315,000)	$ 1,650,000	$ (706,000)
Net income (loss) per share - basic and fully diluted
Continuing operations	$ 0.03	$ (0.03)	$ 0.05	$ (0.08)
Discontinued operations	$ 0.00	$ 0.00	$ 0.11	$ 0.01
Shares used in computing earnings per share
Basic and fully diluted	10,624,493	10,614,402	10,624,476	9,899,696
Oil And Gas Proeprties Revenue [Member]
Revenues
Revenues	$ 1,654,000	$ 1,035,000	$ 4,497,000	$ 3,383,000