Operating costs - Additional Information (Details) - CHF (SFr) |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Disclosure | ||||||
| Increase (decrease) in total operating costs | SFr (200,000) | SFr (700,000) | ||||
| Increase (decrease) in external research and development costs | (500,000) | |||||
| Increase (decrease) in D&O insurance | (400,000) | |||||
| Increase (decrease) in depreciation of intangible assets | 200,000 | |||||
| Operating costs | SFr 2,987,458 | 3,165,275 | SFr 3,860,155 | [1] | ||
| Discontinued operations | ||||||
| Disclosure | ||||||
| Operating costs | SFr 2,000,000 | SFr 8,100,000 | ||||
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