Summary of significant accounting policies - Property and Equipment (Details)	Dec. 31, 2024
Lab equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	3 years
Office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years