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Derivative Financial Instruments (Warrant Liability) (Details 1) - Warrant [Member] - Level 3 [Member] - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Balance, beginning $ 717,393 $ 1,195,470
Exercise of common stock warrants (694,436) (530,531)
Change in fair value of warrant liability 457,784 52,454
Balance, ending $ 665,406 $ 717,393