Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.20.2
Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
May 19, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding 1,215,904   1,215,904   1,130,472  
Aggregate intrinsic value of options outstanding $ 674,000   $ 674,000      
Intrinsic value of all options exercised 5,000          
Net cash proceeds from exercise of stock options 0 $ 0        
Share based compensation expense before income taxes     177,000 $ 189,000    
Share based compensation expense after income taxes     140,000 $ 149,000    
Unrecognized compensation expense for awards $ 833,000   $ 833,000      
Recognition period for unrecognized compensation expense     2 years 7 months 6 days      
2011 Executive Incentive Compensation Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of awards authorized           2,500,000
Shares issued under Plan 413,664   413,664      
Number of options outstanding 1,519,088   1,519,088      
Awards eligible for grant 567,248   567,248      
Employee Stock Purchase Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of price of common stock at which employees are able to acquire     85.00%      
Shares available 81,053   81,053