v3.25.2
Derivative financial instruments - inputs (Details)
1 Months Ended
Jun. 30, 2025
CHF (SFr)
Jun. 30, 2025
CHF (SFr)
Preferred shares    
Disclosure of fair value measurement of assets    
Financial assets SFr 285,962 SFr 285,962
Preferred shares | Underlying share price    
Disclosure of fair value measurement of assets    
Percentage of reasonably possible increase in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input SFr (21,697)  
Percentage of reasonably possible decrease in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input SFr 20,357  
Preferred shares | Underlying share price | Minimum    
Disclosure of fair value measurement of assets    
Significant unobservable input 17 17
Preferred shares | Underlying share price | Maximum    
Disclosure of fair value measurement of assets    
Significant unobservable input 30 30
Phantom shares    
Disclosure of fair value measurement of assets    
Financial assets SFr 285,962 SFr 285,962
Phantom shares | Underlying share price    
Disclosure of fair value measurement of assets    
Significant unobservable input 17 17
Percentage of reasonably possible increase in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input SFr 39,682  
Percentage of reasonably possible decrease in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input SFr (36,138)  
Anti-dilution protection    
Disclosure of fair value measurement of assets    
Financial assets SFr 102,547 SFr 102,547
Anti-dilution protection | Sale price of shares    
Disclosure of fair value measurement of assets    
Percentage of reasonably possible increase in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input SFr 25,064  
Percentage of reasonably possible decrease in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input SFr (18,949)  
Anti-dilution protection | Sale price of shares | Minimum    
Disclosure of fair value measurement of assets    
Significant unobservable input 17 17
Anti-dilution protection | Sale price of shares | Maximum    
Disclosure of fair value measurement of assets    
Significant unobservable input 30 30
Warrants received with ten-year exercise period    
Disclosure of fair value measurement of assets    
Financial assets SFr 60,547 SFr 60,547
Warrants received with ten-year exercise period | Underlying share price    
Disclosure of fair value measurement of assets    
Significant unobservable input 17 17
Percentage of reasonably possible increase in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input SFr 15,673  
Percentage of reasonably possible decrease in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input SFr (12,791)  
Warrants received with five-year exercise period    
Disclosure of fair value measurement of assets    
Financial assets SFr 60,011 SFr 60,011
Warrants received with five-year exercise period | Underlying share price    
Disclosure of fair value measurement of assets    
Significant unobservable input 17 17
Percentage of reasonably possible increase in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input SFr 6,091  
Percentage of reasonably possible decrease in unobservable input 10.00% 10.00%
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input SFr (5,538)  
Stalicla SA    
Disclosure of fair value measurement of assets    
Subscription price for investment in Stalicla SA   SFr 795,029
Stalicla SA | Preferred shares | Underlying share price    
Disclosure of fair value measurement of assets    
Subscription price for investment in Stalicla SA   SFr 795,029