Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19,948	$ 17,972
Accumulated depreciation and amortization	(11,506)	(8,941)
Depreciated cost	8,442	9,031
Computers and laboratory equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	12,220	10,833
Office furniture
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,308	2,303
Production equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,228	1,222
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 4,192	$ 3,614

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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