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Oil and Gas Reserves (unaudited) (Details 2) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Capitalized Costs Relating to Oil and Gas Producing Activities      
Unproved oil and gas properties $ 14,016,656 $ 17,799,420  
Proved oil and gas properties 662,277,626 592,699,504  
Wells and related equipment and facilities 63,775,863 52,915,523  
Gross capitalized costs 740,070,145 663,414,447  
Less accumulated depreciation, depletion, amortization and impairment (439,829,372) (267,614,210)  
Net capitalized costs 300,240,773 395,800,237  
Cost Incurred, Property Acquisitions:      
Proved   1,101,868  
Unproved 1,724,053 8,221,361 5,774,043
Development Costs 68,636,057 69,595,880 47,973,323
Exploration Costs 10,139,041 10,199,440 2,000,941
Total 80,499,151 89,118,549 55,748,307
Results of Operations for Oil and Natural Gas Producing Activities      
Oil, natural gas and natural gas liquids sales 108,938,208 106,138,430 75,019,664
Production costs 18,055,355 21,001,717 22,030,309
Depreciation, depletion and amortization 58,764,443 56,920,515 45,022,272
Impairment and abandonment of oil and gas properties 117,890,239 14,954,633 22,254,059
Income (loss) before income taxes (85,771,829) 13,261,565 (14,286,976)
Income tax benefit (expense) 23,502,016 (4,485,385) 5,000,118
Results of operations (62,269,813) 8,776,180 (9,286,858)
Effects of realized derivative hedging gains excluded from sale $ 6,965,808 $ 7,497,604 $ 20,912,559