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Accrued Liabilities (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Accrued liabilities    
Capital drilling and operating costs $ 4,317,352 $ 12,708,058
Accrued compensation 1,800,000 2,800,000
Interest and loan fees 129,614 82,604
Other 433,877 540,662
Total $ 6,680,843 $ 16,131,324