Property and Equipment, net - Summary of Property and Equipment, net (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	$ 457	$ 295
Less accumulated depreciation and amortization	(216)	(204)
Property and Equipment, Net	241	91
Lab Equipment [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	30	30
Computer And Office Equipment [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	149	127
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	61	64
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	188	0
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property and Equipment, Gross	$ 29	$ 74

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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