Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present the Company’s assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2017 and December 31, 2016, for each fair value hierarchy level:

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total
September 30, 2017 (Unaudited)	(In thousands)
Assets:
Commodity derivatives	$	—	$	3,894		$	—		$	3,894
Liabilities:
Commodity derivatives		—		(4,663	)		—			(4,663	)
Equity warrant liability		—		—			(439	)		(439	)
Equity warrant liability - related parties		—		—			(834	)		(834	)
Stock appreciation rights		—		—			(189	)		(189	)
Total	$	—	$	(769	)	$	(1,462	)	$	(2,231	)
December 31, 2016	(In thousands)
Assets:
Commodity derivatives	$	—	$	1,730		$	—		$	1,730
Liabilities:
Commodity derivatives		—		(4,110	)		—			(4,110	)
Equity warrant liability		—		—			(1,565	)		(1,565	)
Equity warrant liability - related parties		—		—			(2,994	)		(2,994	)
Total	$	—	$	(2,380	)	$	(4,559	)	$	(6,939	)

Summary of Changes in Fair Value for the Level 3 Liabilities

The table below sets forth a summary of changes in the fair value of the Company’s Level 3 liabilities for the nine months ended September 30, 2017, in thousands.

	Equity Warrant Liability			Stock Appreciation Rights			Total
	(Unaudited)
Balance at December 31, 2016	$	(4,559	)	$	—		$	(4,559	)
Purchases, sales, issuances and settlements (net)		—			(72	)		(72	)
Realized gains/(losses)		—			—			—
Unrealized gains/(losses)		3,286			(117	)		3,169
Balance at September 30, 2017	$	(1,273	)	$	(189	)	$	(1,462	)