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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (11,372,525) $ (6,162,035)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation, depletion and amortization 27,866,568 20,937,682
Asset retirement obligations (70,250) (139,102)
Stock compensation expense 954,258 897,296
Amortization of financing costs and discounts 1,436,490 1,374,988
Deferred income taxes (6,053,424) (2,923,125)
Impairment and abandonment of oil and gas properties 9,410,025 236,457
Loss on sale of assets   430,819
(Gain) loss on derivative instruments 2,163,290 (1,524,225)
Changes in operating assets and liabilities:    
(Increase) decrease in accounts receivable, net (4,032,879) 1,822,789
Increase in prepaid expenses (33,419) (7,965)
Increase in accounts payable and accrued liabilities 10,804,633 7,259,238
Net cash provided by operating activities 31,072,767 22,202,817
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capital expenditures (42,978,194) (21,755,129)
Acquisition of oil and gas properties (940,345)  
Sale of assets   (141,029)
Net cash used in investing activities (43,918,539) (21,896,158)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Payments on debt (72,240,239) (39,602,202)
Proceeds from debt 85,240,239 39,833,386
Debt issuance expenditures (46,214) (466,411)
Proceeds from stock option exercises 29,912 16,558
Purchase of treasury stock (137,926) (87,990)
Net cash provided by (used in) financing activities 12,845,772 (306,659)
INCREASE IN CASH AND CASH EQUIVALENTS    
CASH AND CASH EQUIVALENTS, Beginning of period    
CASH AND CASH EQUIVALENTS, End of period    
Cash paid for interest 13,028,204 13,655,847
Cash paid for income taxes   $ 95,000