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Supplementary Information On Oil, NGL And Natural Gas Reserves (Summary of Costs Incurred in Oil and Natural Gas Producing Activities) (Details) - USD ($)
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Extractive Industries [Abstract]      
Property acquisition costs   $ 146,261 $ 83,405,404
Exploration costs $ 21,049 898,818 2,013,231
Development costs 5,075,710 24,931,571 34,219,072
Total cost incurred $ 5,096,759 $ 25,976,650 $ 119,637,707