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Equity Instruments (Details 2) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized expense at March 31, 2017     $ 1,022,000  
Weighted average remaining years to vest (in years)     2 years 22 days  
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 817,000 $ 296,000 $ 2,242,000 $ 547,000
Research and development expenses [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 0 38,000 0 63,000
Selling, general and administrative expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense 499,000   655,000  
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 $ 817,000 $ 258,000 $ 2,242,000 $ 484,000