Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Details Textual)

v3.3.0.814
Share-Based Compensation (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Sep. 04, 2015
Sep. 05, 2014
Aug. 14, 2013
Nov. 20, 2014
Jun. 30, 2015
Jun. 30, 2014
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)         15,000,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)         6,700,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value         $ 0.43 $ 0.40  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition         1 year 10 months 24 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         1,740,000 1,990,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price         $ 0.88 $ 0.47  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period, Description         Plan was amended to increase the number of shares reserved for awards under the Plan from 10 million to 15 million    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period         700,000 266,666  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           9 years  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value         $ 1,100,000 $ 900,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number         1,200,000    
Research and Development Expense, Total         $ 3,495,000 1,898,000  
General and Administrative Expense         $ 5,022,000 $ 3,888,000  
Employee Stock Option [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)         10,000,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           730,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price           $ 0.41  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           10 years  
Option Modification [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
General and Administrative Expense           $ 14,000  
Board Of Directors And Officers [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   1.64       1,060,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 0.86       $ 0.51  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           10 years  
Effect Of Modification Approximately Difference In Fair Value             $ 633,000
Consultant [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     200,000 100,000      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 0.47 $ 1.15      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period       500,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price       $ 0.87      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     10 years        
Board of Directors, Officers and Employees [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 2,550,000            
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 1.72            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 10 years