Royalties and license fees (Details) SFr in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
CHF (SFr)
| |
| University of Zurich | |
| Disclosure Of Detailed Information About Royalties And License Fees [Line Items] | |
| Royalties, minimum amount required to pay in total | SFr 10 |