Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Employee Stock-Based Compensation Expense (Details)

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Stock-Based Compensation - Summary of Employee Stock-Based Compensation Expense (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 7,420,000 $ 297,000 $ 8,824,000 $ 343,000
Cost of revenue
        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 213,000 2,000 215,000 2,000
Research and development
        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 712,000 41,000 799,000 53,000
General and administrative
        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 4,625,000 4,000 5,477,000 34,000
Selling and marketing
        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 1,291,000 231,000 1,711,000 235,000
Capitalized into inventory
        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 579,000 $ 19,000 $ 622,000 $ 19,000