CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 15,359	$ 1,703
Accounts receivable-trade	8,385	20,025
Restricted investments in U.S. Treasury Bonds-available for sale, at fair value	144	142
Derivative financial instruments		4,005
Other current assets	2,963	1,245
Total current assets	26,851	27,120
Other Assets
Oil and gas properties-at cost, based on full cost method of accounting, net of accumulated depreciation, depletion and amortization and impairment (includes unproved properties excluded from amortization of $211,446 and $204,626 as of June 30, 2015 and December 31, 2014)	563,463	753,496
Property and equipment-at cost, net	19,016	19,622
Restricted investments in U.S. Treasury Bonds-available for sale, at fair value	1,291	1,280
Deferred debt offering costs, net	13,335	13,942
Other assets	3,002	3,220
Total other assets	600,107	791,560
Total assets	626,958	818,680
Current Liabilities
Current maturities of debentures and other long-term liabilities	381	381
Derivative financial instruments	408
Accounts payable and accruals	33,717	57,389
Total current liabilities	34,506	57,770
Long-Term Liabilities
First lien credit facility	219,665
Revolving loan credit facility		134,749
Other long-term liabilities, less current portion	37,334	36,084
Derivative Liabilities, Non-current	61
Senior notes and debentures, less current portion and discount	229,058	297,525
Total long-term liabilities	$ 486,118	$ 468,358
Commitments and Contingencies
Stockholders' Equity
8% convertible preferred stock, par value $.0001; authorized 10,000,000 shares, issued and outstanding, 10,703 shares in 2015 and 2014 (aggregate liquidation preference $128 in 2015 and 2014)	$ 128	$ 128
Common stock - $.0001 par value; authorized, 200,000,000 shares; issued 81,203,466 shares in 2015 and 80,754,225 shares in 2014	8	8
Additional paid-in-capital	514,186	512,843
Accumulated deficit	(408,190)	(220,643)
Accumulated other comprehensive income, net of applicable income taxes of $133 in 2015 and $141 in 2014	202	216
Total stockholders' equity	106,334	292,552
Total liabilities and stockholders' equity	$ 626,958	$ 818,680

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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- 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.