Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Stock-Based Compensation Plan (Schedule of Restricted Shares) (Details) - Restricted Stock - $ / shares
Jun. 01, 2017
Jul. 01, 2016
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued     850 370
Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued 250      
Stock Price Target $ 10.00      
Grant price $ 6.10      
Dividend yield 0.00%      
Expected Volatility 42.40%      
Risk-free interest rate 1.76%      
Weighted average fair value $ 4.30      
Exercise Price Range Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued 250      
Stock Price Target $ 12.00      
Grant price $ 6.10      
Dividend yield 0.00%      
Expected Volatility 42.40%      
Risk-free interest rate 1.76%      
Weighted average fair value $ 3.68      
Exercise Price Range Three [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued   100    
Stock Price Target   $ 15.00    
Grant price   $ 4.38    
Dividend yield   0.00%    
Expected Volatility   44.10%    
Risk-free interest rate   0.86%    
Weighted average fair value   $ 1.05