Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 237	$ 7,806
Accounts receivable, net	21,133	27,263
Fair value of commodity derivatives	2,704	5,148
Other current assets	2,877	2,352
Total Current Assets	26,951	42,569
Property and Equipment:
Property and Equipment	723,828	712,166
Less - Accumulated depreciation, depletion, and amortization	(229,901)	(216,769)
Net Furniture, Fixtures and other equipment	493,927	495,397
Other Long-Term Assets	13,517	13,304
Total Assets	534,395	551,270
Current Liabilities:
Accounts payable and accrued liabilities	32,289	44,437
Fair value of commodity derivatives	7,666	5,075
Accrued capital costs	20,445	10,883
Accrued interest	2,298	2,106
Undistributed oil and gas revenues	10,713	12,996
Total Current Liabilities	73,411	75,497
Long-Term Debt	245,371	265,325
Asset Retirement Obligation	4,185	8,678
Other Long-Term Liabilities	7,601	8,312
Stockholders' Equity:
Preferred Stock, Value, Outstanding	0	0
Common stock, $0.01 par value	117	116
Additional paid-in capital	281,303	279,111
Treasury stock held, at cost	(1,742)	(1,452)
Retained earnings (Accumulated deficit)	(75,851)	(84,317)
Total Stockholders' Equity (Deficit)	203,827	193,458
Total Liabilities and Stockholders' Equity	$ 534,395	$ 551,270

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Namespace Prefix:	us-gaap_
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.