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Net Income Per Share (Tables)
9 Months Ended
Sep. 30, 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
 
Nine Months Ended
 
September 30,
 
September 30,
 
2019
 
2018
 
2019
 
2018
Numerator:
 
 
 
 
 
 
 
Net income
$
306

 
$
118

 
$
4,754

 
$
3,097

Denominator:
 
 
 
 
 
 
 
Weighted average common shares—basic
11,767

 
12,314

 
11,894

 
12,412

Effect of dilutive securities: stock options
189

 
349

 
258

 
218

Weighted average common shares—diluted
11,956

 
12,663

 
12,152

 
12,630

 
 
 
 
 
 
 
 
Net income per share—basic
$
0.03

 
$
0.01

 
$
0.40

 
$
0.25

Net income per share—diluted
$
0.03

 
$
0.01

 
$
0.39

 
$
0.25