CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,618	$ 0
Accounts receivable:
Joint owners - net	14,218	677
Oil and gas production sales	17,789	11,595
Other	86	1,252
Total accounts receivable	32,093	13,524
Derivative assets	0	54
Assets held for sale	0	9,685
Other current assets	778	676
Total current assets	34,489	23,939
Oil and gas properties, full cost method of accounting:
Proved	923,237	794,634
Other property and equipment	39,136	38,569
Total	962,373	833,203
Less accumulated depreciation, depletion, amortization and impairment	(724,606)	(696,892)
Total property and equipment, net	237,767	136,311
Deferred financing fees, net	1,285	818
Other assets	265	580
Total assets	273,806	161,648
Current liabilities:
Accounts payable	45,570	18,397
Joint interest oil and gas production payable	11,502	8,937
Accrued interest	140	44
Other accrued expenses	539	571
Derivative liability	10,837	2,382
Current maturities of long-term debt	262	786
Total current liabilities	68,850	31,117
Long-term debt – less current maturities	87,354	96,616
Derivative liability	2,387	6,630
Other liabilities	132	157
Future site restoration	8,775	8,623
Total liabilities	167,498	143,143
Commitments and contingencies
Stockholders’ Equity:
Preferred stock, par value $.01 per share – authorized 1,000,000 shares; -0- shares issued and outstanding	0	0
Common stock, par value $.01 per share – authorized 400,000,000 shares; 135,094,017 and 165,889,901 issued and outstanding at December 31, 2016 and 2017, respectively	1,659	1,351
Additional paid-in capital	415,471	343,982
Accumulated deficit	(310,822)	(326,828)
Total stockholders’ equity	106,308	18,505
Total liabilities and stockholders’ equity	$ 273,806	$ 161,648