Consolidated Statements of Operations & Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues
Oil sales	$ 15,090	$ 15,168	$ 29,580	$ 24,119
Natural gas sales	1,726	1,636	3,182	3,257
Natural gas liquid sales	1,319	999	2,989	1,623
Total revenues	18,135	17,803	35,751	28,999
Costs and expenses
Lease operating and gas gathering	3,521	4,398	6,477	8,758
Production, ad valorem, and severance taxes	1,077	1,223	2,114	2,139
Rig standby expense		1,584		1,897
Depletion, depreciation, and amortization	12,513	12,498	24,635	27,636
Accretion of asset retirement obligations	38	51	58	107
Loss (gain) on sale of oil and gas properties	205	(1,531)	348	(1,531)
Impairment of oil and gas properties	27,081	1,938	27,081	1,938
Stock-based compensation	461	95	639	191
General and administrative	3,139	2,858	5,642	5,631
Acquisition costs	2,726		2,726
Other (income) expense	(46)	819	(57)	1,047
Total costs and expenses	50,715	23,933	69,663	47,813
Loss from operations	(32,580)	(6,130)	(33,912)	(18,814)
Other income (expense)
Interest expense	(5,971)	(5,629)	(10,417)	(11,210)
Amortization of finance costs	(2,848)	(545)	(3,434)	(1,089)
Unrealized gain on warrants	614		2,884
Gain (loss) on derivative financial instruments	5,416	(6,785)	14,162	(5,069)
Total other income (expense), net	(2,789)	(12,959)	3,195	(17,368)
Loss before income taxes	(35,369)	(19,089)	(30,717)	(36,182)
Income tax benefit	12,208	6,245	10,621	12,040
Net loss	(23,161)	(12,844)	(20,096)	(24,142)
Preferred stock dividends	(296)		(296)
Net loss attributable to common stockholders	$ (23,457)	$ (12,844)	$ (20,392)	$ (24,142)
Earnings per share:
Basic	$ (1.07)	$ (1.71)	$ (0.93)	$ (3.21)
Diluted	$ (1.07)	$ (1.71)	$ (0.93)	$ (3.21)
Weighted Average Shares Outstanding - basic	21,822,015	7,522,025	21,822,015	7,522,025
Weighted Average Shares Outstanding - diluted	21,822,015	7,522,025	21,822,015	7,522,025
Comprehensive loss:
Net loss	$ (23,161)	$ (12,844)	$ (20,096)	$ (24,142)
Foreign currency translation adjustments		(17)		(16)
Comprehensive loss	$ (23,161)	$ (12,861)	$ (20,096)	$ (24,158)