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Stock-Based Compensation (Narrative) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 20, 2018
Jun. 30, 2019
USD ($)
shares
Jun. 30, 2018
USD ($)
shares
Jun. 30, 2019
USD ($)
ShareBasedCompensationPlan
shares
Jun. 30, 2018
USD ($)
shares
May 29, 2019
shares
Mar. 19, 2019
shares
May 16, 2013
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of stock-based compensation plans | ShareBasedCompensationPlan       3        
Compensation cost | $   $ 138 $ 96 $ 254 $ 192      
Total income tax effect recognized for share-based compensation arrangements | $   $ 29 $ 20 $ 53 $ 40      
Reverse stock split ratio 5.5              
Shares available to be issued               272,727
Shares expired       73      
Shares cancelled or forfeited       925 73      
2003 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized   18,181   18,181        
2009 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Available for grant             0  
2019 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized           300,000    
Available for grant   300,000   300,000        
Stock Options [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expiration period       10 years        
Shares Granted   0 0 0 0      
Stock Options Exercised   0 0 0 0      
Stock Options [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting periods       1 year        
Stock Options [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting periods       3 years        
Restricted Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized compensation cost | $   $ 972 $ 642 $ 972 $ 642      
Nonvested shares, granted       33,788 727      
Shares, Forfeited       1,493 7,999      
Shares, Vested            
Restricted Stock [Member] | 2003 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized   5,454   5,454        
Restricted Stock [Member] | 2009 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized   36,363   36,363        
Restricted Stock [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting periods       1 year        
Restricted Stock [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting periods       3 years