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Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 30, 2021	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Related Party Transaction [Line Items]
Share based compensation number of options granted				3,158,150
OrbiMed
Related Party Transaction [Line Items]
Royalty expense payable		$ 0.9		$ 1.4
Board of directors
Related Party Transaction [Line Items]
Share based compensation number of options granted	590,950
Maximum \| Board of directors
Related Party Transaction [Line Items]
Stock-based compensation expense		0.1	$ 0.1	0.1	$ 0.1
Pacific-Link Consulting, LLC
Related Party Transaction [Line Items]
Consulting expenses		0.6	0.5	1.3	1.3
Marlinspike Group, LLC
Related Party Transaction [Line Items]
Consulting expenses		$ 0.1	$ 0.1	$ 0.1	$ 0.1