Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Oil and gas sales	$ 32,550	$ 60,581	$ 66,001	$ 120,547
Expenses:
Lease operating expenses	11,191	12,168	22,093	24,426
Production taxes	948	1,492	1,904	2,969
Depreciation, depletion and amortization	18,345	21,702	38,999	42,130
Ceiling test write-down	65,495	0	174,406	0
General and administrative	6,519	6,467	11,858	12,709
Accretion of asset retirement obligation	823	708	1,682	1,499
Interest expense	8,596	7,380	16,470	15,016
Expenses	111,917	49,917	267,412	98,749
Other income:
Gain on sale of oil and gas properties	21,531	0	21,531	0
Other income	40	215	197	404
Income (loss) from operations	(57,796)	10,879	(179,683)	22,202
Income tax expense	2,000	0	1,073	0
Net income (loss)	(59,796)	10,879	(180,756)	22,202
Preferred stock dividend	1,287	1,287	2,567	2,567
Income (loss) available to common stockholders	$ (61,083)	$ 9,592	$ (183,323)	$ 19,635
Basic
Net income per share (in usd per share)	$ (0.94)	$ 0.15	$ (2.83)	$ 0.30
Diluted
Net income per share (in usd per share)	$ (0.94)	$ 0.15	$ (2.83)	$ 0.30
Weighted average number of common shares:
Basic (shares)	64,891	64,103	64,833	63,940
Diluted (shares)	64,891	64,167	64,833	63,996