Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.2.0.727
Stock-Based Compensation (Narrative) (Details) - USD ($)
6 Months Ended 12 Months Ended
May. 21, 2015
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
May. 19, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of options outstanding   728,678   540,404  
Aggregate intrinsic value of options outstanding   $ 51,000      
Intrinsic value of all options exercised   10,000      
Net cash proceeds from exercise of stock options   0 $ 99,000    
Unrecognized compensation expense for awards   $ 1,305,000      
Recognition period for unrecognized compensation expense   2 years 2 months 12 days      
Excess tax benefits from exercise of stock options   $ 85,000 75,000    
Share based compensation expense before income taxes   499,475 240,485    
Share based compensation expense after income taxes   $ 325,000 $ 156,000    
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   112,689      
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     1,000,000
Awards eligible for grant   1,055,332      
Shares issued under Plan   104,455      
Number of options outstanding   840,213      
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      
Deferred Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted   100,017      
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted   21,432