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Derivative Financial Instruments (Warrant Liability) (Details) - Warrant
12 Months Ended
Jun. 30, 2018
$ / shares
$ / Unit
Floor | $ / Unit 1.15
Probability price less than strike price 0.00%
Probability of fundamental transaction occuring 0.00%
Lower Limit  
Equivalent volatility 21.06%
Equivalent interest rate 0.95%
Stock price $ 2.56
Fair value of call $ 1.13
Upper Limit  
Equivalent volatility 162.92%
Equivalent interest rate 1.14%
Stock price $ 2.60
Fair value of call $ 2.79