v3.26.3
Financial assets at fair value through other comprehensive income (Details) - CHF (SFr)
1 Months Ended
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Financial assets at fair value through other comprehensive income      
Financial assets at fair value through other comprehensive income   SFr 285,962 SFr 285,962
Stalicla SA      
Financial assets at fair value through other comprehensive income      
Investment in Stalicla SA SFr 795,029    
Preferred shares received on investment in Stalicla SA 23,342    
Financial assets at fair value through other comprehensive income SFr 285,962 SFr 285,962 SFr 285,962