Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plan (Schedule of Restricted Shares) (Details)

v3.20.1
Stock-Based Compensation Plan (Schedule of Restricted Shares) (Details) - Restricted Stock - $ / shares
12 Months Ended
Jan. 07, 2019
Jun. 01, 2017
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued     600 350
Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued 500      
Stock Price Target $ 15.00      
Grant price $ 10.21      
Expected Volatility 42.40%      
Risk-free interest rate 2.53%      
Weighted average fair value $ 7.92      
Exercise Price Range Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued   250    
Stock Price Target   $ 10.00    
Grant price   $ 6.10    
Expected Volatility   42.40%    
Risk-free interest rate   1.76%    
Expected life (years)   1 year 7 months 13 days    
Weighted average fair value   $ 4.30    
Exercise Price Range Three [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued   250    
Stock Price Target   $ 12.00    
Grant price   $ 6.10    
Expected Volatility   42.40%    
Risk-free interest rate   1.76%    
Expected life (years)   2 years 1 month 17 days    
Weighted average fair value   $ 3.68    
Minimum [Member] | Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected life (years)     4 years 3 months 11 days  
Maximum [Member] | Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected life (years)     5 years 3 months 11 days