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FA212 Asset Acquisition - Additional Information (Detail) - USD ($)				3 Months Ended
	Jan. 15, 2026	Feb. 28, 2025	Sep. 19, 2024	Sep. 30, 2024	Mar. 31, 2026	Jan. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Asset Acquisition [Line Items]
Derivative liabilities at fair value					$ 3,350,000		$ 9,200,000
FA212 LLC [Member]
Asset Acquisition [Line Items]
Agreement date			Sep. 19, 2024
Upfront payment				$ 1,000,000
Development milestone payable						$ 7,500,000
Derivative liabilities at fair value				3,400,000	$ 3,400,000		$ 9,200,000
Aggregate acquisition cost				5,100,000
Transaction costs				700,000
First development milestone payable								$ 5,000,000
Shares issued for second milestone payment	1,316,899
FA212 LLC [Member] \| Common Stock [Member]
Asset Acquisition [Line Items]
First development milestone payment in shares		975,496
FA212 LLC [Member] \| Maximum [Member]
Asset Acquisition [Line Items]
Development milestone payments				34,000,000
Cumulative sales milestone payments				21,000,000
Assumed contingent development milestone payments				4,200,000
Assumed regulatory milestone payments				13,000,000
Assumed cumulative sales milestone payments				$ 27,500,000