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Stock-Based Compensation (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
May 17, 2016
May 20, 2014
May 18, 2010
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Stock-Based Compensation (Textual)            
Unrecognized compensation cost       $ 2,000    
Recognized weighted average period       2 years 4 months 24 days    
Fair value of stock option grants       $ 1,200 $ 973 $ 775
Stock Compensation Plan [Member]            
Stock-Based Compensation (Textual)            
Aggregate intrinsic value outstanding       8,600 8,700  
Aggregate intrinsic value options exercisable at year-end       $ 6,900 $ 8,000  
Two Thousand Ten Incentive Plan [Member]            
Stock-Based Compensation (Textual)            
Number of stock option available for grant   566,025 366,025 9,275    
Option expiration period     10 years      
Adjusted percentage of stock dividends     10.00%      
Additional shares of common stock   200,000        
Two Thousand Sixteen Equity Incentive Plan [Member]            
Stock-Based Compensation (Textual)            
Number of stock option available for grant 400,000     174,715    
Option expiration period 10 years          
Shares issued under provision of issuance of shares of restricted stock 50,000          
Restricted Stock Plan [Member]            
Stock-Based Compensation (Textual)            
Number of stock option available for grant       32,349    
Unrecognized compensation cost       $ 793,000    
Recognized weighted average period       2 years 7 months 6 days