Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Employee Benefit Plans (Tables)

v3.5.0.2
Stock-Based Compensation and Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Compensation
The Company recognized stock-based compensation in the consolidated statements of operations, based on the department to which the related employee reports, as follows:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
 
(in thousands)
Cost of net revenue
$
56

 
$
73

 
$
150

 
$
169

Research and development
4,332

 
3,496

 
10,916

 
8,889

Selling, general and administrative
1,876

 
1,442

 
5,409

 
4,466

 
$
6,264

 
$
5,011

 
$
16,475

 
$
13,524

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
A summary of the Company’s restricted stock unit and restricted stock award activity is as follows:
 
Number of Shares
(in thousands)
 
Weighted-Average Grant-Date Fair Value per Share
Outstanding at December 31, 2015
3,642

 
$
9.19

Granted
2,861

 
18.78

Vested
(1,930
)
 
11.53

Canceled
(426
)
 
12.09

Outstanding at September 30, 2016
4,147

 
14.43

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of the Company’s stock options activity is as follows:
 
Number of Shares
(in thousands)
 
Weighted-Average Exercise Price
 
Weighted-Average Contractual Term (in years)
 
Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2015
3,572

 
$
6.83

 
 
 
 
Granted (1)

 

 
 
 
 
Exercised
(430
)
 
5.31

 
 
 
 
Canceled
(55
)
 
24.16

 
 
 
 
Outstanding at September 30, 2016
3,087

 
$
6.73

 
2.96
 
$
42,123

Vested and expected to vest at September 30, 2016
3,078

 
$
6.73

 
2.96
 
$
42,018

Exercisable at September 30, 2016
2,799

 
$
6.58

 
2.83
 
$
38,660


____________________________
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
The fair values of employee stock purchase rights were estimated using the Black-Scholes option pricing model at their respective grant date using the following assumptions:
 
Nine Months Ended
 
September 30, 2016
Weighted-average grant date fair value per share
$5.02 - $7.44

Risk-free interest rate
0.33 - 0.38%

Dividend yield
%
Expected life (in years)
0.50

Volatility
59.14 - 83.71%