Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
CURRENT ASSETS:
Cash and cash equivalents	$ 893	$ 600
Accounts receivable:
Joint interest owners	74	142
Oil, NGL and gas sales	7,933	11,747
Unrealized gain on commodity derivatives	1,734	6,737
Prepaid expenses and other current assets	1,539	1,212
Total current assets	12,173	20,438
PROPERTIES AND EQUIPMENT:
Oil and gas properties, at cost, using the successful efforts method of accounting	1,863,396	1,853,781
Furniture, fixtures and equipment	5,643	5,628
Total oil and gas properties and equipment	1,869,039	1,859,409
Less accumulated depletion, depreciation and amortization	(744,757)	(704,863)
Net oil and gas properties and equipment	1,124,282	1,154,546
Total assets	1,136,455	1,174,984
CURRENT LIABILITIES:
Accounts payable	10,151	10,799
Oil, NGL and gas sales payable	4,196	4,245
Unrealized loss on commodity derivatives	3,308
Accrued liabilities	10,649	13,464
Total current liabilities	28,304	28,508
NON-CURRENT LIABILITIES:
Senior secured credit facility, net	273,431	270,748
Senior notes, net	226,246	225,839
Unrealized loss on commodity derivatives	723
Deferred income taxes	15,847	31,779
Asset retirement obligations	10,383	10,143
Other noncurrent liabilities	339
Total liabilities	555,273	567,017
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.01 par value, 10,000,000 shares authorized none, outstanding
Common stock, $0.01 par value, 90,000,000 shares authorized, 41,611,672 and 40,788,705 issued and outstanding, respectively	410	408
Additional paid-in capital	583,531	580,623
Accumulated (deficit) earnings	(2,759)	26,936
Total stockholders’ equity	581,182	607,967
Total liabilities and stockholders’ equity	$ 1,136,455	$ 1,174,984

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.