Personnel expenses - Disclosure of Non-Cash Costs for Share-Based Payments by Functions (Details) - CHF (SFr) SFr in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Share-based compensation (non-cash effective) | SFr 4,277 | SFr 4,105 | SFr 5,207 |
| Non-cash cost for share-based payments | 142 | ||
| Research and development expenses | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Share-based compensation (non-cash effective) | 2,517 | 2,365 | 3,057 |
| Selling, general and administrative expenses | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Share-based compensation (non-cash effective) | SFr 1,760 | SFr 1,740 | SFr 2,150 |