Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment	$ 583	$ 583
Less: accumulated depreciation and amortization	(305)	(216)
Property and equipment, net	278	367
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	406	406
Computers and Hardware [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	48	48
Software [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	80	80
Furniture and Office Equipment [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	$ 49	$ 49

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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