Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Stock-Based Compensation Plan (Tables)

v2.4.0.8
Stock-Based Compensation Plan (Tables)
9 Months Ended
Sep. 30, 2014
Stock-Based Compensation Plan [Abstract]  
Schedule of Share-based Compensation Expense

Stock-based compensation expense for stock options and restricted stock units (“RSUs”) was allocated as follows (in thousands):

      Three Months Ended     Nine Months Ended  
      September 30,     September 30,  
      2014     2013     2014     2013    
Cost of sales     $ 1,282       $ 793       $ 3,228       $ 2,059  
Research and development, net       1,098         821         2,921         2,567    
Selling, general and administrative       5,217         4,998         15,262         12,837    
Total stock-based compensation expenses     $ 7,597       $ 6,612       $ 21,411       $ 17,463    
Summary of Stock Options Activity

        A summary of stock option activity for the nine months ended September 30, 2014 is as follows: 

   

Number of Options
     

Weighted Average
Exercise Price

Options outstanding as of January 1, 2014   2,007,433     $ 29.66
Granted   239,759       74.49
Exercised   (532,547 )     14.20
Forfeited   (36,543 )     50.88
Options outstanding as of September 30, 2014   1,678,102     $ 40.50
Exercisable options  as of September 30, 2014   813,413     $ 21.32