Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Employee Benefit Plans (Tables)

v3.2.0.727
Stock-Based Compensation and Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Fair Value of Employee Stock Purchase Rights
The fair values of stock options and employee stock purchase rights were estimated at their respective grant date using the following assumptions:
Stock Options
 
Six Months Ended
June 30,
 
2014
Weighted-average grant date fair value per share
$
4.03

Risk-free interest rate
1.70
%
Dividend yield
—
%
Expected life (years)
4.56

Volatility
51.00
%
Employee Stock Purchase Rights
 
Six Months Ended
June 30,
 
2015
 
2014
Weighted-average grant date fair value per share
$
2.25

 
$
2.47

Risk-free interest rate
0.09
%
 
0.05
%
Dividend yield
—
%
 
—
%
Expected life (years)
0.50

 
0.50

Volatility
32.65
%
 
47.75
%
Stock-Based Compensation
The Company recognized stock-based compensation in the statements of operations as follows:
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2015
 
2014
 
2015
 
2014
Cost of net revenue
$
61

 
$
32

 
$
96

 
$
61

Research and development
3,053

 
2,384

 
5,393

 
4,578

Selling, general and administrative
1,680

 
1,269

 
3,024

 
2,439

 
$
4,794

 
$
3,685

 
$
8,513

 
$
7,078