Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.3.0.814
Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
May. 21, 2015
Mar. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of options outstanding     723,140   540,404
Aggregate intrinsic value of options outstanding     $ 0    
Intrinsic value of all options exercised     10,000    
Net cash proceeds from exercise of stock options     0 $ 99,000  
Unrecognized compensation expense for awards     $ 928,000    
Recognition period for unrecognized compensation expense     2 years 3 months 18 days    
Excess tax benefits from exercise of stock options     $ 88,000 67,000  
Share based compensation expense before income taxes     701,204 518,682  
Share based compensation expense after income taxes     $ 456,000 $ 337,000  
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     107,916    
2011 Executive Incentive Compensation Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of additional awards authorized 1,000,000        
Number of awards authorized 2,000,000   2,000,000    
Awards eligible for grant     1,051,453    
Shares issued under Plan     106,465    
Number of options outstanding     842,082    
2011 Executive Incentive Compensation Plan [Member] | Share-based Compensation Award, Tranche One [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     25.00%    
Stock Option Plan For Directors [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of options granted     0   0
Award expiration period     10 years    
1992 Stock Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available     22,008    
Number of options granted     0    
Deferred stock awards granted     0    
Key Employees [Member] | 2011 Executive Incentive Compensation Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Deferred stock awards granted   100,017      
Key Executive Employees [Member] | 2011 Executive Incentive Compensation Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of options granted     248,258    
Award expiration period     7 years