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Asset Retirement Obligation (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Asset Retirement Obligation [Line Items]    
Asset Retirement Obligation, Period Increase Decrease In Estimate, Gain Loss $ (456,284) $ 81,289
Asset Retirement Obligation Assumed Inflation Factor 1.10%  
Asset Retirement Obligation Assumed Credit-adjusted Risk Free Rate 5.10%  
Asset Retirement Obligations, Noncurrent, Total $ 580,480 $ 947,849
Estimated Asset Retirement Cost $ 650,000