Condensed Consolidated Statements Of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Revenues	$ 1,475,000	$ 1,138,000	$ 2,843,000	$ 2,347,000
Cost and expenses
Production costs and taxes	910,000	880,000	1,640,000	1,687,000
Depreciation, depletion, and amortization	196,000	226,000	379,000	448,000
General and administrative	272,000	258,000	608,000	592,000
Total cost and expenses	1,378,000	1,364,000	2,627,000	2,727,000
Net income (loss) from operations	97,000	(226,000)	216,000	(380,000)
Other income (expense)
Net expense	(1,000)	(4,000)	(3,000)	(20,000)
Gain on sale of assets	3,000		19,000
Total other income (expense)	2,000	(4,000)	16,000	(20,000)
Net income (loss) from operations before income tax	99,000	(230,000)	232,000	(400,000)
Deferred income tax benefit
Net income (loss) from continuing operations	99,000	(230,000)	232,000	(400,000)
Net income from discontinued operations	10,000	52,000	1,120,000	9,000
Net income (loss)	$ 109,000	$ (178,000)	$ 1,352,000	$ (391,000)
Net income (loss) per share - basic and fully diluted
Continuing operations	$ 0.01	$ (0.02)	$ 0.02	$ (0.04)
Discontinued operations	$ 0.00	$ 0.00	$ 0.11	$ 0.00
Shares used in computing earnings per share
Basic and fully diluted	10,624,493	10,608,792	10,624,468	9,536,420
Oil And Gas Proeprties Revenue [Member]
Revenues
Revenues	$ 1,475,000	$ 1,138,000	$ 2,843,000	$ 2,347,000