Fixed Assets - Schedule of Fixed Assets, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Fixed assets, gross	$ 2,486	$ 2,424
Less: Accumulated depreciation	(1,631)	(1,543)
Fixed assets, net	855	881
Computer Equipment [Member]
Fixed assets, gross	$ 130	117
Fixed assets, useful life	5 years
Lab Equipment [Member]
Fixed assets, gross	$ 1,708	1,707
Fixed assets, useful life	5 years
Furniture and Fixtures [Member]
Fixed assets, gross	$ 555	555
Fixed assets, useful life	7 years
Leasehold Improvements [Member]
Fixed assets, gross	$ 93	$ 45
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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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