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Property and Equipment, Net - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 18,959	$ 18,652
Less accumulated depreciation	(6,298)	(5,631)
Property and equipment, net	12,661	13,021
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,772	7,523
Computer and Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	782	782
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	421	421
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	9,514	9,514
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 470	$ 412

X

- Definition

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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