CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and Cash Equivalents	$ 35,321	$ 65,904
Accounts Receivable:
Oil and gas sales	22,547	19,339
Joint interest operations	9,554	3,105
Derivative Financial Instruments	5,229
Other Current Assets	2,732	1,824
Total current assets	75,383	90,172
Property and Equipment:
Oil and gas properties, successful efforts method	3,883,681	3,797,101
Other	19,598	19,590
Accumulated depreciation, depletion and amortization	(3,077,800)	(3,018,029)
Net property and equipment	825,479	798,662
Other Assets	969	1,040
Total Assets	901,831	889,874
LIABILITIES AND STOCKHOLDERS' DEFICIT
Accounts Payable	72,455	45,311
Derivative Financial Instruments		6,030
Accrued Expenses	38,163	40,366
Total current liabilities	110,618	91,707
Long-term Debt	1,070,240	1,044,506
Deferred Income Taxes	10,077	9,126
Reserve for Future Abandonment Costs	16,203	15,804
Total liabilities	1,207,138	1,161,143
Commitments and Contingencies
Stockholders' Deficit:
Common stock — $0.50 par, 75,000,000 shares authorized, 15,478,775 and 13,937,627 shares outstanding at June 30, 2017 and December 31, 2016, respectively	7,739	6,969
Common stock warrants	3,557	5,672
Additional paid-in capital	543,604	531,924
Accumulated deficit	(860,207)	(815,834)
Total stockholders' deficit	(305,307)	(271,269)
Total liabilities and stockholders' deficit	$ 901,831	$ 889,874