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Equity Instruments (Details 4) - $ / shares
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Number of Warrants Outstanding      
Number of Warrants Outstanding, Beginning Balance 110,108 444  
Warrants issued to placement agents for convertible promissory notes   1,115  
Warrants issued to investors in connection with the registered offering 301,014 86,667  
Warrants issued to placement agents for convertible promissory notes   1,129  
Warrants issued to placement agents for the registered offering 20,077 5,474  
Warrants issued to convertible note holders who converted May 5, 2016   15,279  
Issuance of settlement warrants to initial investors 4,402    
Warrants exercised (149,552)    
Number of Warrants Outstanding, Ending Balance 286,049 110,108 444
Warrants, Weighted Average Exercise Price      
Weighted Average Exercise Price, Outstanding Beginning Balance $ 124.02 $ 1,087.20  
Warrants issued to placement agents for convertible promissory notes   156  
Warrants issued to investors in connection with the registered offering 37.2 120.00  
Warrants issued to placement agents for convertible promissory notes   96  
Warrants issued to placement agents for the registered offering 15 120.00  
Warrants issued to convertible note holders who converted May 5, 2016   120  
Issuance of settlement warrants to initial investors 80.00    
Warrants exercised 15.00    
Weighted Average Exercise Price, Outstanding Ending Balance $ 50.29 $ 124.02 $ 1,087.20
Weighted Average Remaining Contractual Life      
Weighted Average Remaining Contractual Life, Warrants Outstanding (in years) 4 years 2 months 23 days 2 years 11 months 1 day 4 years 8 months 16 days