Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation, Employee Benefit Plans and Convertible Preferred Stock (Tables)

v2.4.0.6
Stock-Based Compensation, Employee Benefit Plans and Convertible Preferred Stock (Tables)
 12 Months Ended
Dec. 31, 2012
Stock-Based Compensation

The Company recognized stock-based compensation in the statements of operations as follows:

 

     Years Ended December 31,  
     2012      2011      2010  

Cost of net revenue

    $ 85       $ 54       $ 80   

Research and development

      6,382         4,434         2,589   

Selling, general and administrative

      3,517         2,880         1,546   
  

 

 

     

 

 

     

 

 

  
   $ 9,984       $ 7,368       $ 4,215   
  

 

 

     

 

 

     

 

 

  
Fair Values of Stock Options

The fair values of stock options and employee stock purchase rights were estimated at their respective grant date using the following assumptions:

Stock Options

 

     Years Ended December 31,  
     2012     2011     2010  

Weighted-average grant date fair value per share

    $ 2.37      $ 4.15      $ 6.89   

Risk-free interest rate

      0.88 %      1.95 %      2.51 % 

Dividend yield

      —          —          —     

Expected life (years)

      4.84        5.02        6.06   

Volatility

      56.00 %      52.00 %      55.00 % 
Fair Value of Employee Stock Purchase Rights

Employee Stock Purchase Rights

 

     Years Ended December 31,  
     2012     2011     2010  

Weighted-average grant date fair value per share

    $ 1.28 – $1.42      $ 1.89 – $2.46      $ 3.18 – $8.38   

Risk-free interest rate

      0.14 – 0.15 %      0.05 – 0.07 %      0.14 – 1.14 % 

Dividend yield

      —          —          —     

Expected life (years)

      0.5        0.5        0.5 – 2.10   

Volatility

      46.60 – 55.74 %      45.70 – 72.84 %      30.43 – 60.03 % 
Summary of Company's Stock Option Activity

A summary of the Company’s stock option activity is as follows:

 

     Number of
Options		     Weighted-
Average
Exercise
Price 		     Weighted-
Average
Contractual
Term (in
Years) 		     Aggregate
Intrinsic
Value		  

Outstanding at December 31, 2011

      4,666      $ 6.73         

Granted

      1,285        5.01         

Exercised

      (521 )      1.55         

Canceled

      (2,236 )      9.70         
  

 

 

    

 

 

        

Outstanding at December 31, 2012

      3,194      $ 4.81         6.2       $ 3,214   
  

 

 

    

 

 

     

 

 

     

 

 

  

Vested and expected to vest at December 31, 2012

      3,168      $ 4.80         6.2       $ 3,210   
  

 

 

    

 

 

     

 

 

     

 

 

  

Exercisable at December 31, 2012

      1,516      $ 4.02         5.6       $ 2,991   
  

 

 

    

 

 

     

 

 

     

 

 

  
Summary of Restricted Stock Unit and Restricted Stock Award Activity

A summary of the Company’s restricted stock unit and restricted stock award activity is as follows:

 

     Number of
Shares		     Weighted-
Average
Grant-Date
Fair Value
per Share		  

Outstanding at December 31, 2011

      1,820      $ 7.87   

Granted

      3,553        5.83   

Vested

      (629 )      7.20   

Canceled

      (433 )      7.38   
  

 

 

    

 

 

  

Outstanding at December 31, 2012

      4,311      $ 6.33   
  

 

 

    

 

 

  
Common Stock Reserved for Future Issuance

Common stock reserved for future issuance is as follows:

 

     December 31,
2012		  

Stock options outstanding

      3,194   

Restricted stock units and restricted stock awards outstanding

      4,311   

Authorized for future grants under 2010 Equity Incentive Plan

      6,516   

Authorized for future issuance under 2010 Employee Stock Purchase Plan

      639   
  

 

 

  

Total

      14,660