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Changes to Asset Retirement Obligation (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Asset Retirement Obligation Disclosure [Abstract]      
Balance at beginning of period $ 1,402,039 $ 1,294,497 $ 1,294,497
Accretion expense (Note 9) 34,322 $ 36,998 147,992
Payments     (161,018)
Change in estimate of existing obligation     120,568
Balance at end of period $ 1,436,361   $ 1,402,039