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
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Property, Plant and Equipment [Line Items]          
Depreciation $ 3,600 $ 1,600 $ 5,800 $ 5,300  
Property and equipment, Gross 62,508   62,508   $ 53,463
Less accumulated depreciation and amortization (38,039)   (38,039)   (32,914)
Property and equipment, net 24,469   $ 24,469   20,549
Furniture and fixtures [Member]          
Property, Plant and Equipment [Line Items]          
Useful life     5 years    
Property and equipment, Gross 2,266   $ 2,266   1,983
Machinery and equipment [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment, Gross 32,027   $ 32,027   27,028
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 10,414   $ 10,414   9,153
Software and Software Development Costs [Member]          
Property, Plant and Equipment [Line Items]          
Useful life     3 years    
Property and equipment, Gross 4,979   $ 4,979   3,625
Leasehold improvements [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment, Gross 12,622   $ 12,622   11,635
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 $ 200   $ 200   $ 39