Quarterly report pursuant to sections 13 or 15(d)

Stock Based Compensation (Details)

v2.4.0.8
Stock Based Compensation (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted (in shares) 0 0    
Stock options granted (in dollars per share) $ 0 $ 0    
Stock options outstanding (in shares) 340,800 [1] 446,800 [2] 362,800 528,800
Outstanding and fully vested stock options (in shares) 334,800 [1] 369,300 [2]    
Weighted average exercise price (in dollars per share) $ 9.62 [1] $ 9.63 [2] $ 9.53 $ 9.82
Compensation expense $ (18,000) $ 51,000    
Total unrecognized compensation cost related to unvested options 1,000      
Contractual Term With One-third Yearly Vesting [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contractual term 6 years      
Vesting period 3 years      
Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options outstanding (in shares) 171,600      
Outstanding and fully vested stock options (in shares) 171,600      
Weighted average exercise price (in dollars per share) $ 10.05      
Remaining weighted contractual life 0 years 4 months 24 days      
Compensation expense (39,000) 33,000    
Employee Stock Option [Member] | Contractual Term With One-fifth Yearly Vesting [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contractual term 10 years      
Vesting period 5 years      
Director Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contractual term 10 years      
Vesting period 6 months      
Stock options outstanding (in shares) 169,200      
Outstanding and fully vested stock options (in shares) 163,200      
Weighted average exercise price (in dollars per share) $ 9.18      
Remaining weighted contractual life 5 years      
Compensation expense 21,000 18,000    
Non Qualified Stock Option Agreement [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Contractual term 6 years      
Vesting period 3 years      
Stock options granted (in shares) 60,000      
Stock options granted (in dollars per share) $ 7.85      
Stock based compensation amount $ 54,000      
[1] Options with exercise prices ranging from $2.79 to $14.75
[2] Options with exercise prices ranging from $5.50 to $14.75