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)
 6 Months Ended
Jun. 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 June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
 
(in thousands)
Cost of net revenue
$
51

 
$
61

 
$
94

 
$
96

Research and development
3,305

 
3,053

 
6,584

 
5,393

Selling, general and administrative
1,746

 
1,680

 
3,533

 
3,024

 
$
5,102

 
$
4,794

 
$
10,211

 
$
8,513

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
2,081

 
18.15

Vested
(1,300
)
 
10.32

Canceled
(234
)
 
10.87

Outstanding at June 30, 2016
4,189

 
13.20

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
(408
)
 
5.18

 
 
 
 
Canceled
(38
)
 
24.32

 
 
 
 
Outstanding at June 30, 2016
3,126

 
$
6.83

 
3.19
 
$
35,481

Vested and expected to vest at June 30, 2016
3,115

 
$
6.83

 
3.19
 
$
35,367

Exercisable at June 30, 2016
2,808

 
$
6.67

 
3.05
 
$
32,376


____________________________
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:
 
Six Months Ended June 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%