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No definition available.

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Amount of reorganization items related to debtor-in-possession facility financing costs.

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Subsequent Events (Details) $ in Thousands						1 Months Ended	12 Months Ended
Subsequent Events (Details) $ in Thousands	Jun. 09, 2025 vote shares	Jun. 04, 2025 USD ($)	May 17, 2025 USD ($)	Apr. 30, 2025 USD ($)	Apr. 28, 2025 USD ($)	Jun. 03, 2025 USD ($)	Mar. 31, 2025 USD ($) vote	Jun. 05, 2025 USD ($)	May 05, 2025 USD ($)
Subsequent Event [Line Items]
Work fee							$ 800
Common Stock Class A
Subsequent Event [Line Items]
Number of votes \| vote							1
Common Stock Class B
Subsequent Event [Line Items]
Number of votes \| vote							10
Subsequent Event
Subsequent Event [Line Items]
DIP initial commitment amount (up to) and subsequent increased commitment								$ 60,000
DIP borrowings									$ 10,000
Subsequent Event \| Common Stock Class A
Subsequent Event [Line Items]
Conversion of stock, shares converted (in shares) \| shares	4,931,692
Number of votes \| vote	1
Subsequent Event \| Common Stock Class B
Subsequent Event [Line Items]
Conversion of stock, shares issued (in shares) \| shares	4,931,692
Number of votes \| vote	10
Subsequent Event \| Asset Purchase Agreement \| Regeneron
Subsequent Event [Line Items]
Asset acquisition purchase price in cash			$ 256,000
Earnest deposit for asset acquisition			$ 25,600
Subsequent Event \| Asset Purchase Agreement \| TTAM
Subsequent Event [Line Items]
Asset acquisition purchase price in cash		$ 305,000				$ 305,000
Subsequent Event \| Sunnyvale Facility
Subsequent Event [Line Items]
Reduction in restricted cash				$ 7,300
Subsequent Event \| Initial DIP Commitment
Subsequent Event [Line Items]
DIP initial commitment amount (up to) and subsequent increased commitment					$ 10,000
DIP interest rate					4.00%
Subsequent Event \| Delayed Draw DIP Commitments
Subsequent Event [Line Items]
DIP additional commitment amount (up to)					$ 25,000
DIP interest rate					4.00%
Subsequent Event \| Debtor In Possession Facility
Subsequent Event [Line Items]
DIP interest rate					14.00%
Commitment fee percentage					2.00%
Work fee					$ 100