v3.26.1
Basis of preparation and changes to the Company's accounting policies - Going concern (Details) - CHF (SFr)
SFr in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Going concern        
Company's cash position SFr 27,757 SFr 26,795 SFr 25,722 SFr 36,275
Short-term financial assets SFr 47,600 SFr 64,617