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Net Income per Common Share (Tables)
 6 Months Ended
Jun. 30, 2013
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
 
Six Months Ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
Net income
$
1,589,000

 
$
2,341,000

 
$
3,270,000

 
$
4,976,000

 
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
7,169,000

 
7,086,000

 
7,150,000

 
7,077,000

Effect of dilutive securities
258,000

 
274,000

 
256,000

 
301,000

Weighted average common and potentially issuable common shares outstanding — diluted
7,427,000

 
7,360,000

 
7,406,000

 
7,378,000

 
 
 
 
 
 
 
 
Basic net income per common share
$
0.22

 
$
0.33

 
$
0.46

 
$
0.70

Diluted net income per common share
$
0.21

 
$
0.32

 
$
0.44

 
$
0.67