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Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation     $ 250,000 $ 200,000
Anticipated additional expense     $ 0  
Employee Stock Option [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 354,090   354,090  
Stock based compensation $ 0 $ 12,000 $ 0 42,000
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  
Share issuance, restricted sale period     1 year  
Shares available for future grants 117,764   117,764  
Stock based compensation $ 85,000 $ 53,000 $ 250,000 $ 158,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 680,000   $ 680,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     1 year 9 months 11 days  
Maximum [Member] | Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum option exercise period     10 years  
Maximum [Member] | Incentive Equity And Deferred Compensation Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award issuable period after date of grant     4 years  
Cliff-vesting period     4 years  
Minimum [Member] | Incentive Equity And Deferred Compensation Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award issuable period after date of grant     3 years  
Cliff-vesting period     3 years