Warrant Liabilities - Additional Information (Details) - CHF (SFr) SFr in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of detailed information about borrowings [line items] | ||||
| Fair value loss on warrant liability | SFr 12,100 | SFr (200) | SFr 4,117 | SFr (12,145) |