Corporate Bond - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Mar. 31, 2019
Debt Instrument [Line Items]
Corporate bond	$ 5,000,000		$ 5,000,000
Corporate Bond Securities
Debt Instrument [Line Items]
Amortization expense	$ 61,000	$ 54,000
Corporate Bond Securities | Shinogi And Company Limited | Option And Collaboration Agreement
Debt Instrument [Line Items]
Corporate bond				$ 5,000