Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Oil and gas production revenues	$ 21,478	$ 15,934	$ 42,641	$ 32,313
Other	16	4	49	18
Total revenue	21,494	15,938	42,690	32,331
Operating costs and expenses:
Lease operating expenses	6,166	5,382	12,628	11,316
Production taxes	1,911	1,489	3,838	2,985
Depreciation, depletion, and amortization	5,776	5,380	12,285	10,218
Impairment	1,977	1,306	1,977	1,306
General and administrative (including stock-based compensation of $669, $722, $1,142 and $1,199, respectively)	2,797	2,404	5,327	4,305
Operating costs and expenses	18,627	15,961	36,055	30,130
Operating income (loss)	2,867	(23)	6,635	2,201
Other (income) expense:
Interest income	0	(1)	(1)	(2)
Interest expense	1,259	1,270	2,467	2,465
Amortization of deferred financing fees	343	266	676	296
(Gain) loss on derivative contracts - Realized	783	(914)	1,708	(866)
(Gain) loss on derivative contracts - Unrealized	(7,485)	(10,296)	(6,864)	(9,420)
Earnings from equity method investments	0	(1,251)	0	(2,034)
Other	14	0	101	42
Total other (income) expense	5,086	10,926	1,913	9,519
Net income before income taxes	7,953	10,903	8,548	11,720
Income tax expense	87	0	87	0
Net income	$ 7,866	$ 10,903	$ 8,461	$ 11,720
Net income per common share - basic (in dollars per share)	$ 0.09	$ 0.12	$ 0.09	$ 0.13
Net income per common share - diluted (in dollars per share)	$ 0.08	$ 0.12	$ 0.09	$ 0.13