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Net Income per Common Share (Tables)
3 Months Ended
Mar. 31, 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
 
March 31,
 
2013
 
2012
Net income
$
1,681,000

 
$
2,635,000

 
 
 
 
Weighted average common shares outstanding — basic
7,131,000

 
7,070,000

Effect of dilutive securities
255,000

 
327,000

Weighted average common and potentially issuable common shares outstanding — diluted
7,386,000

 
7,397,000

 
 
 
 
Basic net income per common share
$
0.24

 
$
0.37

Diluted net income per common share
$
0.23

 
$
0.36