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Net Income Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Basic and diluted net income per share
The following table sets forth the calculation of basic and diluted net income per share (in thousands, except per share amounts):
 
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Basic net income per share:
 
 
 
 
 
 
 
Net income
$
1,326

 
$
7,924

 
$
3,235

 
$
12,561

Weighted average common shares
14,730

 
14,734

 
14,730

 
14,806

Basic net income per share
$
0.09

 
$
0.54

 
$
0.22

 
$
0.85

Diluted net income per share:
 
 
 
 
 
 
 
Net income
$
1,326

 
$
7,924

 
$
3,235

 
$
12,561

Weighted average common shares
14,730

 
14,734

 
14,730

 
14,806

Effect of dilutive securities: stock options
—

 
60

 
—

 
75

Diluted weighted average common shares
14,730

 
14,794

 
14,730

 
14,881

Diluted net income per share
$
0.09

 
$
0.54

 
$
0.22

 
$
0.84