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Equity Instruments (Details 3) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized expense at June 30, 2016 $ 1,267,000  
Weighted average remaining years to vest (in years) 2 years 7 months 28 days  
Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 903,000 $ 1,018,000
Research and Development Expense [Member] | Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense 89,000 519,000
Selling, General and Administrative Expenses [Member] | Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 814,000 $ 499,000