Supplemental Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Supplemental Selected Quarterly Financial Data (Unaudited)

Note 14. Supplemental Selected Quarterly Financial Data (Unaudited)

	Three Months Ended,
(In thousands, except per share data)	March 31, 2015			June 30, 2015			September 30, 2015			December 31, 2015
Year Ended December 31, 2015
Oil and gas revenues	$	11,242		$	14,958		$	13,033		$	8,231
Other revenues		78			1,775			47			26
Operating expenses		13,618			16,452			15,675			152,874
Operating (loss) income		(2,298	)		281			(2,595	)		(144,617	)
Other income (expense), net		599			(1,324	)		5,124			1,733
Income tax benefit (expense)		585			295			(811	)		26,373
Net (loss) income	$	(1,114	)	$	(748	)	$	1,718		$	(116,511	)
Basic and diluted net (loss) income    per share	$	(0.08	)	$	(0.05	)	$	0.12		$	(8.42	)
	Three Months Ended,
(In thousands, except per share data)	March 31, 2014			June 30, 2014			September 30, 2014			December 31, 2014
Year Ended December 31, 2014
Oil and gas revenues	$	11,577		$	12,059		$	11,957		$	12,018
Other revenues		109			86			98			90
Operating expenses		7,777			9,191			10,204			31,407
Operating income (loss)		3,909			2,954			1,851			(19,299	)
Other (expense) income, net		(1,169	)		(1,424	)		2,363			4,086
Income tax expense		—			—			—			(22,105	)
Net income (loss)	$	2,740		$	1,530		$	4,214		$	(37,318	)
Basic and diluted net income (loss)    per share	$	0.30		$	0.17		$	0.46		$	(3.83	)