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Derivative Financial Instruments (Warrant Liability) (Details 1) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Level 3 inputs activity    
Reclassification of warrant liability upon exercise $ 685,132 $ 694,436
Warrant [Member] | Level 3 [Member]    
Level 3 inputs activity    
Balance, beginning 490,500 717,393
Reclassification of warrant liability upon exercise (685,132) (694,436)
Change in fair value of warrant liability 194,632 467,543
Balance, ending $ 0 $ 490,500