Nature of the Business and Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended
	Jul. 01, 2025	Jan. 15, 2025	Aug. 05, 2024	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2024	Dec. 31, 2025	Dec. 31, 2024
Nature Of Business And Basis Of Presentation [Line Items]
Entity incorporated month and year				2010-10
Entity incorporation, state or country code				DE
Payments to acquire business				$ 15,000		$ 15,000
Stock issued during period, shares, new Issues				714,285		714,285
Payment Reduced Amount of Employment Obligation		$ 1,500
Share Price				$ 21		$ 21
Milestone Prepayment			$ 60,000	$ 60,000
Payment in cash for first sales milestone			150,000
Future milestone payment			125,000
Closing period milestone payment one			400,000
Closing period milestone payment two			150,000
Closing period milestone payment three			750,000
Accumulated deficit				(945,417)				$ (978,099)
Cash and cash equivalents				58,849				$ 30,793
Net loss from continuing operations				$ (27,236)	$ (34,438)
Transition Services Agreement [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Payments to acquire other productive assets		$ 50,000
Forecast [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Business combination, percentage of all rent and other cost due							80.10%
Payment Reduced Amount of Employment Obligation	$ 1,500
Forecast [Member] | Transition Services Agreement [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Payments to acquire other productive assets	$ 25,000
Nestle Health Science [Member]
Nature Of Business And Basis Of Presentation [Line Items]
Payments to acquire business			100,000
Adjusted account settlement amount			$ 17,857
Fixed interest rate			10.00%
Derivative fixed interest rate thereafter			5.00%