Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Condensed Consolidated Statements Of Operations [Abstract]
Revenues	$ 3,871	$ 5,222	$ 8,185	$ 10,184
Cost and expenses
Production costs and taxes	1,191	1,934	2,561	3,602
Depreciation, depletion, and amortization	742	860	1,537	1,569
General and administrative	466	600	979	1,359
Total cost and expenses	2,399	3,394	5,077	6,530
Net income from operations	1,472	1,828	3,108	3,654
Other income (expense)
Interest expense	(109)	(206)	(240)	(394)
Gain (loss) on derivatives		15		(105)
Gain on sale of assets	63	33	63	67
Total other income (expenses)	(46)	(158)	(177)	(432)
Income from continuing operations before income tax	1,426	1,670	2,931	3,222
Income tax expense	(621)	(518)	(1,147)	(1,116)
Income from continuing operations	805	1,152	1,784	2,106
(Loss) from discontinued operations, net of income tax benefit	(33)	(65)	(74)	(146)
Net income	$ 772	$ 1,087	$ 1,710	$ 1,960
Net income (loss) per share - Basic and Diluted
Net income from continuing operations	$ 0.01	$ 0.02	$ 0.03	$ 0.03
Net (loss) from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Shares used in computing earnings per share
Basic	60,842,413	60,763,237	60,842,413	60,750,325
Diluted	60,928,397	61,214,257	60,991,055	61,236,066