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Net Income Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
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,
 
2017
 
2016
 
2015
Numerator:
 
 
 
 
 
Income from continuing operations
$
1,592

 
$
6,007

 
$
8,523

Income from discontinued operations, net of income taxes
1,938

 
624

 
2,341

Net income
$
3,530

 
$
6,631

 
$
10,864

Denominator:
 
 
 
 
 
Weighted average common shares—basic
12,882

 
13,997

 
14,722

Effect of dilutive securities: stock options
12

 
—

 
—

Weighted average common shares—diluted
12,894

 
13,997

 
14,722

Income per share—basic:
 
 
 
 
 
Continuing operations
$
0.12

 
$
0.43

 
$
0.58

Discontinued operations
0.15

 
0.04

 
0.16

Net income per share—basic
$
0.27

 
$
0.47

 
$
0.74

Income per share—diluted:
 
 
 
 
 
Continuing operations
$
0.12

 
$
0.43

 
$
0.58

Discontinued operations
0.15

 
0.04

 
0.16

Net income per share—diluted
$
0.27

 
$
0.47

 
$
0.74