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Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2019
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
 
March 31,
 
2019
 
2018
Numerator:
 
 
 
Net income
$
3,120

 
$
2,502

Denominator:
 
 
 
Weighted average common shares—basic
11,914

 
12,462

Effect of dilutive securities: stock options
310

 

Weighted average common shares—diluted
12,224

 
12,462

 
 
 
 
Net income per share—basic
$
0.26

 
$
0.20

Net income per share—diluted
$
0.26

 
$
0.20