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Commitments and Contingencies (Details) $ in Thousands		1 Months Ended	3 Months Ended				12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Apr. 28, 2025 Employee	Aug. 31, 2019 USD ($)	Mar. 31, 2026 USD ($) shares	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2025 USD ($)	Jan. 10, 2025 Action	Jan. 07, 2025 Action	Apr. 01, 2023 USD ($) Installment
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Other long-term liabilities			$ 1,677				$ 1,583
Reduction in workforce \| Employee	30
Employee severance costs					$ 700
Consolidated Derivative Action \| Pending Litigation
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of verified stockholder derivative actions \| Action								2	2
Research and development
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Employee severance costs					600
Selling, General and Administrative Expenses
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Employee severance costs					$ 100
JDRF Agreement derivative liability
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Termination period										90 days
Milestone payment potentially receivable										$ 800
Milestone payments			500				500
Other long-term liabilities			600				$ 500
Interest expense			$ 100
Royalty cap, actual award multiplier										4.00%
Number of installments \| Installment										3
Net sales minimum threshold for additional royalty										$ 250,000
Disposition payment percentage										0.10
Cure period										30 days
Duke University \| License Agreement \| Decellularized Tissue Engineering Patent Rights
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares issued under agreement (in shares) \| shares			52,693
Expiration period of agreement			4 years
Termination period			3 months
License fee paid				$ 500		$ 500
Yale University \| License Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Termination period			90 days
Maximum annual maintenance fee, less than			$ 100
Yale University \| License Agreement \| Regulatory Milestone
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaborative arrangement, milestone payments			200
Yale University \| License Agreement \| Commercial Milestone
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaborative arrangement, milestone payments			$ 600
Yale University \| License Agreement \| BVP Patent Rights
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Maximum annual maintenance fee, less than		$ 100