Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Consolidated Statements Of Operations [Abstract]
Revenues	$ 5,813	$ 4,357	$ 16,009	$ 12,804
Cost and expenses
Production costs and taxes	1,808	1,516	5,575	4,718
Depreciation, depletion, and amortization	986	694	2,643	1,932
General and administrative	887	498	2,246	1,739
Total cost and expenses	3,681	2,708	10,464	8,389
Net income from operations	2,132	1,649	5,545	4,415
Other income (expense)
Interest expense	(191)	(162)	(585)	(471)
Gain (loss) on derivatives	(35)	420	(140)	114
Gain on sale of assets	16	20	83	30
Total other income (expenses)	(210)	278	(642)	(327)
Income before income tax	1,922	1,927	4,903	4,088
Income tax expense	(703)	(741)	(1,724)	(1,571)
Net income	$ 1,219	$ 1,186	$ 3,179	$ 2,517
Net income per share
Basic and diluted	$ 0.02	$ 0.02	$ 0.05	$ 0.04
Shares used in computing earnings per share
Basic	60,787,413	60,693,935	60,762,778	60,689,611
Diluted	61,114,850	60,766,046	61,195,751	60,763,294

Cost incurred related to the upstream oil and gas activities, such as the exploration, development, and production of crude petroleum and natural gas and all taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.

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