Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Details Textual)

v3.10.0.1
Share-Based Compensation (Details Textual) - USD ($)
2 Months Ended 11 Months Ended 12 Months Ended
Mar. 01, 2017
Jun. 30, 2017
May 31, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 26, 2018
Jun. 30, 2016
Aug. 12, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value       $ 2.77 $ 0.36      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)       $ 372,000        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition       1 year 7 months 6 days        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 15,000     21,000 158,500      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price       $ 3.12 $ 4.00      
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 1 million to 1.5 million.        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value       $ 972,000 $ 1,239,000      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     3 years          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   10 years 10 years          
Share Price   $ 3.86   $ 0.90 $ 3.86 $ 0.90 $ 7.20  
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)               1,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)       135,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     21,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 3.12          
Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 4.00              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 3 years              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 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   143,500            
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 4.00