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v3.25.3

Nature of business and future operations (Details) | Sep. 30, 2025 USD ($) numberOfSegments
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Cash | $ 93,700,000
Long-term debt | $ 0
Pending Litigation | Moderna And Pfizer/BioNTech |
Gain Contingencies [Line Items] |
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