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
 6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 50,817 $ 46,851
Less accumulated depreciation and amortization (29,683) (24,993)
Property and equipment, net $ 21,134 21,858
Furniture and fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Property and equipment, Gross $ 2,612 2,458
Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 25,047 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 $ 8,154 8,062
Software [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Property and equipment, Gross $ 3,036 3,017
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, Gross $ 11,268 9,573
Leasehold improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life 4 years  
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 $ 700 $ 62