Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 8,786	$ 8,417
Less: accumulated depreciation	(5,207)	(3,954)
Property and equipment, net	3,580	4,463
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	7,038	6,766
Computer Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	223	167
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	805	797
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	179	167
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 541	$ 520

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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