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Stock-Based Compensation (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 12, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock based compensation     $ 135,000 $ 106,000  
Stock Option Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum number of shares 793,368   793,368    
Shares available for future grants 335,279   335,279    
Non-exercisable options granted         44,600
Stock based compensation 13,000 17,000 30,000 34,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 20,000   20,000    
Incentive Equity And Deferred Compensation Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum number of shares 243,101   243,101    
Award issuable period after date of grant     3 years    
Share issuance, restricted sale period     1 year    
Cliff-vesting period     3 years    
Shares available for future grants 141,629   141,629    
Stock based compensation 52,000 32,000 105,000 72,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 520,000   $ 520,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     2 years 3 months 29 days    
Maximum [Member] | Stock Option Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum option exercise period     10 years