Condensed Consolidated Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 71,414	$ 65,591
Less: accumulated depreciation and amortization	(24,729)	(21,923)
Property and equipment, net	46,685	43,668
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	32,603	29,119
Computer hardware
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,108	6,296
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	22,233	21,031
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,601	1,962
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	930	829
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,939	$ 6,354

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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