v2.4.1.9
Net Income Per Share Attributable to Common Stockholders (Tables)
12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The computations for basic and diluted net income per share attributable to common stockholders are as follows:
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
 
 
(in thousands, except per share data)
Numerator:
 
 
 
 
 
 
Net income
 
$
30,244

 
$
1,541

 
$
2,221

Net income attributable to participating securities
 

 
(2
)
 
(1,172
)
Net income attributable to common stockholders - basic
 
30,244

 
1,539

 
1,049

Undistributed earnings reallocated to participating securities
 

 

 
1,201

Net income attributable to common stockholders - diluted
 
$
30,244

 
$
1,539

 
$
2,250

Denominator:
 
 
 
 
 
 
Weighted-average shares used in computing net income per share attributable to common stockholders - basic
 
32,979

 
31,914

 
11,891

Effect of potentially dilutive securities:
 
 
 
 
 
 
Convertible preferred stock
 

 

 
13,270

Common stock options
 
4,191

 
4,059

 
3,187

Contingently issuable shares related to an acquisition
 

 

 
4

Weighted-average shares used in computing net income per share attributable to common stockholders - diluted
 
37,170

 
35,973

 
28,352

Net income per share attributable to common stockholders
 
 
 
 
 
 
Basic
 
$
0.92

 
$
0.05

 
$
0.09

Diluted
 
$
0.81

 
$
0.04

 
$
0.08

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities not included in the calculation of diluted net income per share because doing so would be antidilutive are as follows:
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
 
 
(in thousands)
Common stock options
 
1,689

 
952

 
772