Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Details - Property and Equipment (Details 3)

v3.20.2
Balance Sheet Details - Property and Equipment (Details 3) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 79,949   $ 79,949   $ 75,956
Less accumulated depreciation and amortization (61,890)   (61,890)   (59,343)
Property and equipment, net 18,059   18,059   16,613
Depreciation 1,600 $ 1,900 $ 3,300 $ 4,000  
Furniture and fixtures          
Property, Plant and Equipment [Line Items]          
Useful life     5 years    
Property and equipment, gross 2,229   $ 2,229   2,199
Machinery and equipment          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 37,357   $ 37,357   35,660
Machinery and equipment | Minimum          
Property, Plant and Equipment [Line Items]          
Useful life     3 years    
Machinery and equipment | Maximum          
Property, Plant and Equipment [Line Items]          
Useful life     5 years    
Masks and production equipment          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 17,293   $ 17,293   15,209
Masks and production equipment | Minimum          
Property, Plant and Equipment [Line Items]          
Useful life     2 years    
Masks and production equipment | Maximum          
Property, Plant and Equipment [Line Items]          
Useful life     5 years    
Software          
Property, Plant and Equipment [Line Items]          
Useful life     3 years    
Property and equipment, gross 6,132   $ 6,132   5,956
Leasehold improvements          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 15,302   $ 15,302   16,186
Leasehold improvements | Minimum          
Property, Plant and Equipment [Line Items]          
Useful life     1 year    
Leasehold improvements | Maximum          
Property, Plant and Equipment [Line Items]          
Useful life     5 years    
Construction in progress          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 1,636   $ 1,636   $ 746