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Supplementary Information on Oil And Gas Producing Activities (Unaudited) - Summary of Cost Incurred in Oil And Gas Activities (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Extractive Industries [Abstract]    
Proved $ 0 $ 0
Unproved 1,120,479 960,554
Exploration Costs 0 0
Development Costs 6,038,877 31,748,593
Total Costs Incurred $ 7,159,356 $ 32,709,147