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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2013
EARNINGS PER SHARE [Abstract]  
EARNINGS PER SHARE
4. EARNINGS PER SHARE

Basic earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding during the period increased to include all additional common shares that would have been outstanding assuming potentially dilutive common shares, resulting from option exercises, had been issued and any proceeds thereof used to repurchase common stock at the average market price during the period.
 
 
 
2013
  
2012
  
2011
 
 
 
  
  
 
Net income for diluted computation
 
$
5,285,847
  
$
2,981,075
  
$
6,601,626
 
 
            
Weighted average shares:
            
Basic
  
6,345,615
   
6,351,245
   
6,340,648
 
Effect of dilutive securities:
            
Stock options
  
576,659
   
630,282
   
611,738
 
 
            
Diluted
  
6,922,274
   
6,981,527
   
6,952,386
 
 
            
Net income per share:
            
Basic
 
$
0.83
  
$
0.47
  
$
1.04
 
Diluted
 
$
0.76
  
$
0.43
  
$
0.95