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License and collaboration agreements - Summary of Transaction Price Allocated to Each Performance Obligation, in Addition to Revenue Activity (Details) - Biogen License Agreement	3 Months Ended
	Mar. 31, 2025 USD ($)
License And Collaboration Agreement [Line Items]
Transaction Price Allocated	$ 243,423
Revenue Recognized	152,421
IP License
License And Collaboration Agreement [Line Items]
Transaction Price Allocated	150,779
Revenue Recognized	150,779
Global Development Activity
License And Collaboration Agreement [Line Items]
Transaction Price Allocated	92,644
Revenue Recognized	$ 1,642

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