Property and equipment, net - Schedule of Property and equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Subtotal	$ 16,048	$ 10,384
Less: Accumulated depreciation	(4,947)	(4,300)
Property and equipment, net	11,101	6,084
Leasehold improvements
Property, Plant and Equipment [Line Items]
Subtotal	3,587	3,527
Furniture and computer equipment
Property, Plant and Equipment [Line Items]
Subtotal	308	306
Manufacturing and other equipment
Property, Plant and Equipment [Line Items]
Subtotal	4,578	4,073
Construction in-progress
Property, Plant and Equipment [Line Items]
Subtotal	$ 7,575	$ 2,478