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Net Income per Common Share (Tables)
 9 Months Ended
Sep. 30, 2017
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,
 
2017
 
2016
 
2017
 
2016
Net income
$
855,000

 
$
1,029,000

 
$
4,704,000

 
$
5,379,000

 
 
 
 
 
 
 
 
Weighted average common shares outstanding — basic
7,711,000

 
7,635,000

 
7,683,000

 
7,616,000

Effect of dilutive securities
46,000

 
32,000

 
56,000

 
33,000

Weighted average common and potentially issuable common shares outstanding — diluted
7,757,000

 
7,667,000

 
7,739,000

 
7,649,000

 
 
 
 
 
 
 
 
Basic net income per common share
$
0.11

 
$
0.13

 
$
0.61

 
$
0.71

Diluted net income per common share
$
0.11

 
$
0.13

 
$
0.61

 
$
0.70

 
 
 
 
 
 
 
 
Dividends declared and paid per share
$
0.05

 
$
—

 
$
0.05

 
$
—