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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Weighted average number of common shares used in computing earnings per share
The following table shows the weighted average number of common shares used in computing earnings per share and the effect on the weighted average number of shares of potential dilutive common stock. Potential dilutive common stock has no effect on income available to common shareholders.

 
Three months ended
 
September 30, 2012
September 30, 2011
 
Weighted
Average
Shares
 
Per share
Amount
Weighted
Average
Shares
 
Per share
Amount
Basic earnings per share
7,036,536
 
$
0.24
 
6,996,932
 
$
0.20
 
Effect of dilutive securities:
          
stock options and grants
15,324
 
$
 
1,562
 
$
 
Diluted earnings per share
7,051,860
 
$
0.24
 
6,998,494
 
$
0.20
 



 
Nine months ended
 
September 30, 2012
September 30, 2011
 
Weighted
Average
Shares
 
Per share
Amount
Weighted
Average
Shares
 
Per share
Amount
Basic earnings per share
7,026,663
 
$
0.72
 
6,968,999
 
$
0.55
 
Effect of dilutive securities:
          
stock options and grants
9,987
 
$
 
2,296
   
Diluted earnings per share
7,036,650
 
$
0.72
 
6,971,295
 
$
0.55