Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	[1]	$ 5,990	$ 4,322
Accounts receivable:
Oil, natural gas liquid and natural gas sales		4,879	5,043
Joint interest owners and other		884	1,305
Related parties			279
Derivative financial instruments		8,538	33,219
Prepaid expenses and other		1,749	724
Total current assets		22,040	44,892
Oil and gas properties, net, using the successful efforts method of accounting		432,169	488,100
Oil and gas properties held for sale		18,120
Other property and equipment, net		1,963	2,223
Derivative financial instruments		315	2,864
Other noncurrent assets		2,185	1,580
Restricted certificates of deposit		78	77
Total assets		476,870	539,736
Current liabilities
Accounts payable		9,410	18,027
Accounts payable – related parties		175	45
Oil, natural gas liquid and natural gas sales payable		3,475	3,870
Accrued liabilities		12,450	8,276
Accrued liabilities – related parties		356	125
Current income tax payable		5,581
Derivative financial instruments		420
Total current liabilities		31,867	30,343
Long-term debt		277,688	301,926
Deferred tax liability			16,013
Other non-current liabilities		1,000	1,000
Equity warrant liability		5,738
Asset retirement obligations		2,636	7,488
Asset retirement obligations - Held for sale		4,505
Derivative financial instruments		78
Total liabilities		323,512	356,770
Commitments and contingencies
Stockholders’ equity
Additional paid-in capital		15,303	10,270
Accumulated other comprehensive loss			(760)
Retained (deficit) earnings		(4,583)	30,818
Total stockholders’ equity		153,358	182,966
Total liabilities and stockholders’ equity		476,870	539,736
Class A Voting Common Stock [Member]
Stockholders’ equity
Common stock value		$ 142,638	$ 142,638

[1] Restated