Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details Textual)

v3.10.0.1
Share-Based Compensation (Details Textual) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jan. 22, 2019
Nov. 19, 2018
Dec. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 18, 2018
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     $ 0.75   $ 0.90    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)     $ 212,000        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     1 year 1 month 6 days        
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       $ 694,000 $ 896,000    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 5 years            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 4.00%            
Two thousand Eighteen Omnibus Equity Incentive Plan [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)           3.5  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized           3.5  
Subsequent Event [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) 1,311,332            
Underwater Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   91.00%          
2008 Omnibus Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years        
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 Authorized             1,000,000