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NET INCOME (LOSS) PER SHARE
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share
NET INCOME (LOSS) PER SHARE
We present both basic and diluted net income (loss) per share on the face of our consolidated statements of operations in accordance with the authoritative guidance on earnings per share. Basic net income (loss) per share is computed by dividing net income (loss) by the weighted-average number of shares of common stock outstanding for the period. Diluted net income (loss) per share is computed using the weighted-average number of shares of common stock outstanding plus the effect of common stock equivalents, unless the common stock equivalents are anti-dilutive. The potential dilutive shares of our common stock are determined using the treasury stock method. Under the treasury stock method, the amount the employee must pay for exercising stock options, the amount of compensation cost yet to be recognized for future service, and the amount of tax benefits that is to be recorded when the award becomes deductible are assumed be used to repurchase shares.
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,
 
2014
 
2013
 
2012
Basic and diluted net income (loss) per share of common stock:
 
 
 
 
 
Numerator:
 
 
 
 
 
     Net income (loss)
$
9,881

 
$
(10,975
)
 
$
(19,319
)
 
 
 
 
 
 
Denominator:
 
 
 
 
 
Weighted-average shares outstanding - basic
71,897

 
58,944

 
58,538

Effect of dilutive stock options and restricted stock units
1,506

 
—

 
—

Weighted-average shares outstanding - diluted
73,403

 
58,944

 
58,538

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

 
$
(0.19
)
 
$
(0.33
)
     Diluted
$
0.13

 
$
(0.19
)
 
$
(0.33
)

For the year ended December 31, 2014, options and RSUs totaling 2.3 million were excluded from diluted net income per share because their inclusion would have been anti-dilutive. For the year ended December 31, 2013 and 2012, options to purchase our common stock and restricted stock units totaling 4.7 million and 6.5 million, respectively, were excluded from diluted net loss per share because their inclusion would have been anti-dilutive, since we had net losses for each of the years ended December 31, 2013 and 2012. Accordingly, basic and diluted net loss per share were the same for the years ended December 31, 2013 and 2012.