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EARNINGS PER COMMON SHARE
12 Months Ended
Dec. 31, 2012
EARNINGS PER COMMON SHARE [Abstract]  
EARNINGS PER COMMON SHARE
11.  EARNINGS PER COMMON SHARE
 
Basic net income per common share is based upon the weighted average number of common shares outstanding. Diluted net income per common share is based upon the weighted average number of common shares outstanding, including the dilutive effect of restricted stock, using the if-converted methods.

The following table shows a reconciliation of the numerators and denominators used in calculating basic and diluted earnings per share.
 
   
Year ended December 31,
 
   
2012
  
2011
  
2010
 
Numerators
         
Net income
 $16,487  $16,389  $12,931 
Denominators
            
Weighted average common shares - basic
  11,701,607   11,559,895   11,420,524 
              
Dilutive effect of restricted stock
  137,575   181,618   209,743 
Dilutive effect of employee stock options
  -   -   6,118 
              
Weighted average common shares - diluted
 $11,839,182  $11,741,513  $11,636,385 
              
Basic earnings per share
 $1.41  $1.42  $1.13 
              
Diluted earnings per share
 $1.39  $1.40  $1.11