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Oil and Gas Properties - Additional Information (Detail) (Oil and Gas Properties [Member], USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Oil and Gas Properties [Member]
   
Property, Plant and Equipment [Line Items]    
Total additions for oil and gas properties $ 1,986,807 $ 1,377,891
Depreciation, depletion, and amortization expenses $ 2,089,607 $ 616,314