Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
REVENUES
Natural gas, oil and natural gas liquids sales	$ 99,432,000	$ 40,488,000
Brokered natural gas and marketing revenue	2,431,000	9,118,000
Total revenues	101,863,000	49,606,000
OPERATING EXPENSES
Lease operating	2,343,000	2,677,000
Transportation, gathering and compression	32,877,000	23,137,000
Production and ad valorem taxes	1,931,000	2,563,000
Brokered natural gas and marketing expense	2,460,000	9,402,000
Depreciation, depletion and amortization	26,189,000	15,113,000
Exploration	11,581,000	15,656,000
General and administrative	10,132,000	11,274,000
Rig termination and standby		2,663,000
Impairment of proved oil and gas properties		17,665,000
Accretion of asset retirement obligations	124,000	86,000
(Gain) loss on sale of assets	(5,000)	(22,000)
Total operating expenses	87,632,000	100,214,000
OPERATING INCOME (LOSS)	14,231,000	(50,608,000)
OTHER INCOME (EXPENSE)
Gain (loss) on derivative instruments	25,097,000	10,550,000
Interest expense, net	(12,462,000)	(13,461,000)
Gain (loss) on early extinguishment of debt		8,664,000
Other income (expense)	(19,000)	(139,000)
Total other expense, net	12,616,000	5,614,000
INCOME (LOSS) BEFORE INCOME TAXES	26,847,000	(44,994,000)
INCOME TAX BENEFIT (EXPENSE)	0	(540,000)
NET INCOME (LOSS)	$ 26,847,000	$ (45,534,000)
NET INCOME (LOSS) PER COMMON SHARE
Basic	$ 0.10	$ (0.20)
Diluted	$ 0.10	$ (0.20)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic	261,105	222,784
Diluted	264,215	222,784