Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements Of Operations [Abstract]
Revenues	$ 4,357	$ 3,286	$ 12,804	$ 9,429
Cost and expenses
Production costs and taxes	1,516	1,551	4,718	4,401
Depreciation, depletion, and amortization	694	650	1,932	1,801
General and administrative	498	561	1,739	1,714
Total cost and expenses	2,708	2,762	8,389	7,916
Net income from operations	1,649	524	4,415	1,513
Other income (expense)
Interest expense	(162)	(164)	(471)	(516)
Gain (loss) on derivatives	420	(89)	114	794
Gain on sale of assets	20	15	30	15
Total other income (expenses)	278	(238)	(327)	293
Income before income tax	1,927	286	4,088	1,806
Income tax expense	(741)	(98)	(1,571)	(614)
Net income	$ 1,186	$ 188	$ 2,517	$ 1,192
Net income per share
Basic and diluted	$ 0.02	$ 0.00	$ 0.04	$ 0.02
Shares used in computing earnings per share
Basic	60,693,935	60,687,413	60,689,611	60,324,346
Diluted	60,766,046	60,687,413	60,763,294	60,640,811