Consolidated Statements of Operations & Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Oil sales	$ 23,162	$ 12,285	$ 52,742	$ 36,404
Natural gas sales	1,890	2,190	5,072	5,448
Natural gas liquid sales	1,831	1,063	4,820	2,685
Total revenues	26,883	15,538	62,634	44,537
Costs and expenses
Lease operating and gas gathering	4,515	4,006	10,992	12,764
Production, ad valorem, and severance taxes	1,541	907	3,656	3,046
Rig standby expense	61	364	61	2,261
Depletion, depreciation, and amortization	15,891	10,665	40,527	38,301
Accretion of asset retirement obligations	38	53	96	160
Loss (gain) on sale of oil and gas properties	119	53	466	(1,478)
Impairment of oil and gas properties		29,144	27,081	31,082
Stock-based compensation	346	122	985	313
General and administrative	2,298	2,870	7,940	8,501
Acquisition costs	337		3,063
Other (income) expense	(4)	1	(62)	1,045
Total costs and expenses	25,142	48,185	94,805	95,995
Income (loss) from operations	1,741	(32,647)	(32,171)	(51,458)
Other income (expense)
Interest expense	(5,031)	(5,751)	(15,448)	(16,961)
Gain on disposal of bonds		29,363		29,363
Amortization of finance costs	(934)	(1,594)	(4,368)	(2,683)
Gain (loss) on warrants	402	(611)	3,286	(611)
Gain (loss) on derivative financial instruments	(7,657)	1,664	6,505	(3,405)
Total other income (expense), net	(13,220)	23,071	(10,025)	5,703
Loss before income taxes	(11,479)	(9,576)	(42,196)	(45,755)
Income tax benefit (expense)	4,718	(1,684)	15,339	10,354
Net loss	(6,761)	(11,260)	(26,857)	(35,401)
Preferred stock dividends	(1,824)		(2,120)
Net loss attributable to common stockholders	$ (8,585)	$ (11,260)	$ (28,977)	$ (35,401)
Earnings per share:
Basic	$ (0.39)	$ (1.44)	$ (1.33)	$ (4.64)
Diluted	$ (0.39)	$ (1.44)	$ (1.33)	$ (4.64)
Weighted Average Shares Outstanding - basic	21,822,015	7,842,586	21,822,015	7,629,896
Weighted Average Shares Outstanding - diluted	21,822,015	7,842,586	21,822,015	7,629,896
Comprehensive loss:
Net loss	$ (6,761)	$ (11,260)	$ (26,857)	$ (35,401)
Foreign currency translation adjustments		(13)		(29)
Comprehensive loss	$ (6,761)	$ (11,273)	$ (26,857)	$ (35,430)