Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
REVENUES
Oil	$ 34,358,000	$ 39,849,000	$ 34,734,000
Natural gas	5,046,000	5,457,000	9,367,000
Natural gas liquids	2,865,000	2,158,000	3,510,000
Total revenues	42,269,000	47,464,000	47,611,000
OPERATING COSTS AND EXPENSES
Lease operating expense	13,415,000	14,550,000	9,422,000
Severance taxes	2,198,000	2,582,000	2,002,000
Rig idle and contract termination expense	5,059,000
Re-engineering and workovers	1,652,000	872,000	708,000
Impairment expense	24,283,000	138,086,000	19,359,000
Depreciation, depletion and amortization	25,937,000	31,228,000	18,414,000
General and administrative expense	9,414,000	9,711,000	6,830,000
Stock-based compensation	3,301,000
Transaction costs	2,483,000	589,000	1,034,000
Accretion of asset retirement obligation	551,000	550,000	317,000
Exploration expense	5,000	142,000	111,000
Total operating costs and expenses	88,298,000	198,310,000	58,197,000
Gain on sale of oil and gas properties	8,000	1,617,000
Loss from operations	(46,021,000)	(149,229,000)	(10,586,000)
OTHER INCOME (EXPENSE)
Interest expense, net	(1,282,000)	(722,000)	(597,000)
(Loss) gain on derivative contracts, net	(6,638,000)	6,431,000	4,392,000
Other (expense) income, net	(72,000)	423,000	62,000
Total other income (expense)	(7,992,000)	6,132,000	3,857,000
Loss before income taxes	(54,013,000)	(143,097,000)	(6,729,000)
Income tax expense (benefit)	528,000	(26,442,000)	22,105,000
Net loss	$ (54,541,000)	$ (116,655,000)	$ (28,834,000)
Net loss per common share:
Basic	$ (2.92)	$ (8.43)	$ (3.11)
Diluted	$ (2.92)	$ (8.43)	$ (3.11)
Weighted average common shares outstanding:
Basic	18,651,582	13,835,128	9,279,324
Diluted	18,651,582	13,835,128	9,279,324