v3.25.2
Derivative financial instruments (Details)
 1 Months Ended
Jun. 30, 2025
CHF (SFr)
SFr / shares
shares
Disclosure of fair value measurement of assets  
Derivative financial instruments SFr 509,067
Measured at fair value  
Disclosure of fair value measurement of assets  
Financial assets 795,029
Measured at fair value | Level 3  
Disclosure of fair value measurement of assets  
Financial assets 795,029
Phantom shares  
Disclosure of fair value measurement of assets  
Derivative financial instruments 285,962
Financial assets 285,962
Phantom shares | Financial assets at fair value through profit or loss  
Disclosure of fair value measurement of assets  
Financial assets 285,962
Phantom shares | Financial assets at fair value through profit or loss | Level 3  
Disclosure of fair value measurement of assets  
Financial assets 285,962
Anti-dilution protection  
Disclosure of fair value measurement of assets  
Derivative financial instruments 102,547
Financial assets 102,547
Anti-dilution protection | Financial assets at fair value through profit or loss  
Disclosure of fair value measurement of assets  
Financial assets 102,547
Anti-dilution protection | Financial assets at fair value through profit or loss | Level 3  
Disclosure of fair value measurement of assets  
Financial assets 102,547
Warrants  
Disclosure of fair value measurement of assets  
Derivative financial instruments 120,558
Warrants | Financial assets at fair value through profit or loss  
Disclosure of fair value measurement of assets  
Financial assets 120,558
Warrants | Financial assets at fair value through profit or loss | Level 3  
Disclosure of fair value measurement of assets  
Financial assets 120,558
Warrants received with ten-year exercise period  
Disclosure of fair value measurement of assets  
Financial assets 60,547
Warrants received with five-year exercise period  
Disclosure of fair value measurement of assets  
Financial assets 60,011
Preferred shares  
Disclosure of fair value measurement of assets  
Financial assets 285,962
Preferred shares | Financial assets at fair value through other comprehensive income  
Disclosure of fair value measurement of assets  
Financial assets 285,962
Preferred shares | Financial assets at fair value through other comprehensive income | Level 3  
Disclosure of fair value measurement of assets  
Financial assets SFr 285,962
Stalicla SA  
Disclosure of fair value measurement of assets  
Preferred shares received on investment in Stalicla SA | shares 23,342
Phantom shares received on investment in Stalicla SA | shares 23,342
Ordinary shares to proceeds from which phantom shares entitle | shares 23,342
Derivative financial instruments SFr 509,067
Amount not recorded as phantom shares due to cap on fair value SFr 111,552
Stalicla SA | Warrants received with ten-year exercise period  
Disclosure of fair value measurement of assets  
Warrants received on investment in Stalicla SA | shares 23,342
Exercise period of warrants received on investment in Stalicla SA 10 years
Strike price of warrants received on investment in Stalicla SA | SFr / shares SFr 34.05
Ordinary shares to purchase of which warrants entitle | shares 23,342
Stalicla SA | Warrants received with five-year exercise period  
Disclosure of fair value measurement of assets  
Warrants received on investment in Stalicla SA | shares 3,591
Exercise period of warrants received on investment in Stalicla SA 5 years
Strike price of warrants received on investment in Stalicla SA | SFr / shares SFr 0.1
Preferred shares to purchase of which warrants entitle | shares 3,591