Business Acquisition - Schedule of Allocation of Purchase Price to Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Oct. 31, 2023
Assets acquired:
Goodwill	$ 6,330
Indefinite-lived intangible assets	$ 79,200
Lung Acquisition [Member]
Assets acquired:
Cash and cash equivalents		$ 194
Prepaid expenses and other current assets		2,465
Property and equipment, net		3
Operating right-of-use assets		76
Goodwill		6,330
Indefinite-lived intangible assets		79,200
Other assets		27
Assets acquired		88,295
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts Payable		4,452
Accrued expenses and other current liabilities		1,899
Operating lease liabilities, current		80
Convertible notes payable		1,553
Deferred tax liability		3,326
Liabilities assumed		11,310
Net assets acquired		$ 76,985