Intangible Assets - Components of Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Finite Lived Intangible Assets [Line Items]
Intangible assets, Net Carrying Value	$ 696	$ 751
License Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, Gross Carrying Value	3,117	3,117
Intangible assets, Accumulated Amortization	(2,421)	(2,366)
Intangible assets, Net Carrying Value	$ 696	$ 751

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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