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Net Income Per Share (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Schedule of 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):
 
 
Year Ended December 31,
 
2018
 
2017
 
2016
Numerator:
 
 
 
 
 
Income from continuing operations
$
4,661

 
$
1,592

 
$
6,007

Income from discontinued operations, net of income taxes
—

 
1,938

 
624

Net income
$
4,661

 
$
3,530

 
$
6,631

Denominator:
 
 
 
 
 
Weighted average common shares—basic
12,323

 
12,882

 
13,997

Effect of dilutive securities: stock options
187

 
12

 
—

Weighted average common shares—diluted
12,510

 
12,894

 
13,997

Income per share—basic:
 
 
 
 
 
Continuing operations
$
0.38

 
$
0.12

 
$
0.43

Discontinued operations
—

 
0.15

 
0.04

Net income per share—basic
$
0.38

 
$
0.27

 
$
0.47

Income per share—diluted:
 
 
 
 
 
Continuing operations
$
0.37

 
$
0.12

 
$
0.43

Discontinued operations
—

 
0.15

 
0.04

Net income per share—diluted
$
0.37

 
$
0.27

 
$
0.47