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Net Income per Common Share (Tables)
 9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Computation of basic and diluted net income per common share:
The computation of basic and diluted net income per common share is as follows:

 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Net income
$
1,151,000

 
$
2,856,000

 
$
6,127,000

 
$
7,967,000

 
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
7,127,000

 
6,976,000

 
7,094,000

 
6,926,000

Effect of dilutive securities
256,000

 
302,000

 
287,000

 
358,000

Weighted average common and potentially issuable common shares outstanding — diluted
7,383,000

 
7,278,000

 
7,381,000

 
7,284,000

 
 
 
 
 
 
 
 
Basic net income per common share
$
0.16

 
$
0.41

 
$
0.86

 
$
1.15

Diluted net income per common share
$
0.16

 
$
0.39

 
$
0.83

 
$
1.09