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Net Income per Common Share (Tables)
9 Months Ended
Sep. 30, 2016
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,
 
2016
 
2015
 
2016
 
2015
Net income
$
1,029,000

 
$
2,484,000

 
$
5,379,000

 
$
9,719,000

 
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
7,635,000

 
7,597,000

 
7,616,000

 
7,578,000

Effect of dilutive securities
32,000

 
28,000

 
33,000

 
45,000

Weighted average common and potentially issuable common shares outstanding — diluted
7,667,000

 
7,625,000

 
7,649,000

 
7,623,000

 
 
 
 
 
 
 
 
Basic net income per common share
$
0.13

 
$
0.33

 
$
0.71

 
$
1.28

Diluted net income per common share
$
0.13

 
$
0.33

 
$
0.70

 
$
1.27