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NET INCOME (LOSS) PER SHARE (Tables)
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Computation of Net Income (Loss) per Share of Common Stock
The following table presents the computation of net income (loss) per share of common stock (in thousands, except for per share data):

 
Years Ended December 31,
 
2015
 
2014
 
2013
Basic and diluted net income (loss) per share of common stock:
 
 
 
 
 
Numerator:
 
 
 
 
 
     Net income (loss)
$
10,315

 
$
9,881

 
$
(10,975
)
 
 
 
 
 
 
Denominator:
 
 
 
 
 
Weighted-average shares outstanding - basic
74,916

 
71,897

 
58,944

Effect of dilutive stock options and restricted stock units
1,899

 
1,506

 
—

Weighted-average shares outstanding - diluted
76,815

 
73,403

 
58,944

 
 
 
 
 
 
Net income (loss) per share of common stock:
 
 
 
 
 
     Basic
$
0.14

 
$
0.14

 
$
(0.19
)
     Diluted
$
0.13

 
$
0.13

 
$
(0.19
)