CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Oil and gas production revenues	$ 24,707,000	$ 13,972,000	$ 56,630,000	$ 34,517,000
Other	15,000	4,000	46,000	31,000
Revenues	24,722,000	13,976,000	56,676,000	34,548,000
Operating costs and expenses:
Lease operating	4,089,000	4,599,000	11,628,000	13,609,000
Production and ad valorem taxes	2,045,000	1,200,000	4,823,000	3,602,000
Rig expense	0	192,000	0	534,000
Depreciation, depletion, and amortization	7,877,000	6,371,000	17,666,000	17,932,000
Proved property impairment	0	3,806,000	0	67,626,000
General and administrative (including stock-based compensation of $750, $768, $2,499 and $2,410, respectively)	5,057,000	2,760,000	10,692,000	8,238,000
Operating costs and expenses	19,068,000	18,928,000	44,809,000	111,541,000
Operating income (loss)	5,654,000	(4,952,000)	11,867,000	(76,993,000)
Other (income) expense:
Interest income	0	0	1,000	1,000
Interest expense	868,000	960,000	1,876,000	3,350,000
Amortization of deferred financing fees	100,000	151,000	354,000	763,000
(Gain) loss on derivative contracts	5,456,000	(2,429,000)	(10,375,000)	10,346,000
(Gain) on sale of non-oil and gas assets	0	(374,000)	(102,000)	(374,000)
Total other (income) expense	6,424,000	(1,692,000)	(8,248,000)	14,084,000
Income (loss) before income tax	(770,000)	(3,260,000)	20,115,000	(91,077,000)
Income tax (expense) benefit	0	0	0	0
Net income (loss)	$ (770,000)	$ (3,260,000)	$ 20,115,000	$ (91,077,000)
Net (loss) income per common share
Net income (loss) per common share - basic (in usd per share	$ 0.00	$ (0.02)	$ 0.13	$ (0.77)
Net income (loss) per common share - diluted (in usd per share)	$ 0.00	$ (0.02)	$ 0.12	$ (0.77)
Weighted average shares outstanding:
Weighted average shares outstanding, basic (shares)	163,508	133,546	160,031	118,274
Weighted average shares outstanding, diluted (shares)	163,508	133,546	161,597	118,274
Oil [Member]
Revenues:
Oil and gas production revenues	$ 21,339,000	$ 12,713,000	$ 48,153,000	$ 31,380,000
Natural Gas [Member]
Revenues:
Oil and gas production revenues	1,873,000	1,014,000	4,918,000	2,444,000
Natural Gas Liquids [Member]
Revenues:
Oil and gas production revenues	$ 1,495,000	$ 245,000	$ 3,559,000	$ 693,000