Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details - Property and Equipment (Details 3)

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Balance Sheet Details - Property and Equipment (Details 3) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 53,372 $ 46,851
Less accumulated depreciation and amortization (31,422) (24,993)
Property and equipment, net $ 21,950 21,858
Furniture and fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Property and equipment, Gross $ 2,187 2,458
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 27,035 23,679
Machinery and equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Machinery and equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Masks and production equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 2 years  
Property and equipment, Gross $ 9,134 8,062
Software [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Property and equipment, Gross $ 3,706 3,017
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 11,310 9,573
Leasehold improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 1 year  
Leasehold improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 0 $ 62