Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 551	$ 18,601
Less: accumulated depreciation	(375)	(17,307)
Property and equipment, net	176	1,294
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	67	930
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	0	572
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	408	1,272
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 0	$ 0

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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