Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 21	$ 21
Accounts receivable:
Joint interest owners	117	92
Oil, NGLs and gas sales	9,678	9,547
Derivative assets	1,398
Prepaid expenses and other current assets	5,486	2,834
Total current assets	16,700	12,494
PROPERTIES AND EQUIPMENT:
Oil and gas properties, at cost, using the successful efforts method of accounting	1,930,577	1,869,774
Furniture, fixtures and equipment	5,658	5,644
Total oil and gas properties and equipment	1,936,235	1,875,418
Less accumulated depletion, depreciation and amortization	(853,359)	(783,357)
Net oil and gas properties and equipment	1,082,876	1,092,061
Total assets	1,099,576	1,104,555
CURRENT LIABILITIES:
Accounts payable	9,450	9,482
Oil, NGLs and gas sales payable	5,363	4,190
Derivative liabilities	2,181	4,880
Accrued liabilities	8,073	7,817
Total current liabilities	25,067	26,369
NON-CURRENT LIABILITIES:
Senior secured credit facility, net	289,275	271,696
Senior notes, net	84,185	226,653
Deferred income taxes	82,102	5,615
Asset retirement obligations	11,065	10,607
Other non-current liabilities	466	663
Total liabilities	492,160	541,603
COMMITMENTS AND CONTINGENCIES (Note 8)
STOCKHOLDERS’ EQUITY :
Preferred stock, $0.01 par value, 10,000,000 shares authorized none outstanding
Common stock, $0.01 par value, 180,000,000 and 90,000,000 shares authorized, 94,533,246 and 41,764,770 issued and outstanding, respectively	945	418
Additional paid-in capital	742,391	586,095
Accumulated deficit	(135,920)	(23,561)
Total stockholders’ equity	607,416	562,952
Total liabilities and stockholders’ equity	$ 1,099,576	$ 1,104,555

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.