Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenue:
Oil and gas production revenues	$ 44,196	$ 29,092	$ 103,594	$ 71,733
Other	9	3	63	52
Total revenue	44,205	29,095	103,657	71,785
Operating costs and expenses:
Lease operating expenses	7,338	5,469	19,002	18,097
Production taxes	3,825	2,637	8,867	6,475
Depreciation, depletion, and amortization	13,940	7,260	30,817	19,545
Impairment	0	158	0	2,135
General and administrative (including stock-based compensation of $582, $520, $2,050 and $1,662, respectively)	2,452	2,410	8,392	7,737
Operating costs and expenses	27,555	17,934	67,078	53,989
Operating income	16,650	11,161	36,579	17,796
Other (income) expense:
Interest income	0	(1)	(1)	(2)
Interest expense	554	1,110	1,945	3,577
Amortization of deferred financing fees	150	344	779	1,020
Loss on derivative contracts - Realized	534	2,124	2,624	3,832
(Gain) loss on derivative contracts - Unrealized	(9,979)	4,490	(1,899)	(2,374)
Other	(8)	(96)	(6)	5
Total other (income) expense	(8,749)	7,971	3,442	6,058
Net income before income tax	25,399	3,190	33,137	11,738
Income tax expense	0	0	0	87
Net income	$ 25,399	$ 3,190	$ 33,137	$ 11,651
Net income (loss) per common share - basic (in dollars per share)	$ 0.24	$ 0.03	$ 0.34	$ 0.13
Net income (loss) per common share - diluted (in dollars per share)	$ 0.24	$ 0.03	$ 0.33	$ 0.12
Weighted average shares outstanding - basic (shares)	104,408	92,475	96,742	92,435
Weighted average shares outstanding - diluted (shares)	107,671	93,542	99,531	93,375