Summary of significant accounting policies - Schedule of property, plant and equipment, net (Details) |
Mar. 31, 2026 |
|---|---|
| Office equipment | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 5 years |
| Computer equipment | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 3 years |
| Plant, manufacturing and laboratory equipment | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 5 years |
| Capitalized software | Minimum | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 3 years |
| Capitalized software | Maximum | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 5 years |
| Leasehold improvements | |
| Property, plant and equipment, net | |
| Property, plant and equipment, useful life (in years) | 10 years |