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Property and Equipment, Net (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Property and Equipment, Net (Textual)            
Depreciation and amortization expense $ 13,261 $ 12,065 $ 26,464 $ 25,407 $ 49,367 $ 59,508