v3.25.2
Cash and cash equivalents (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2025
CHF (SFr)
item
Dec. 31, 2024
CHF (SFr)
Jun. 30, 2024
CHF (SFr)
Dec. 31, 2023
CHF (SFr)
Cash and cash equivalents        
Cash at bank and on hand SFr 2,300,994 SFr 3,341,738    
Total cash and cash equivalents SFr 2,300,994 SFr 3,341,738 SFr 3,787,780 SFr 3,865,481
Percentage of cash and cash equivalents 100.00% 100.00%    
P-1 / A-1        
Cash and cash equivalents        
Number of Swiss banks used | item 2      
CHF        
Cash and cash equivalents        
Percentage of cash and cash equivalents 95.02% 80.84%    
USD        
Cash and cash equivalents        
Percentage of cash and cash equivalents 3.03% 14.90%    
EUR        
Cash and cash equivalents        
Percentage of cash and cash equivalents 1.34% 2.42%    
GBP        
Cash and cash equivalents        
Percentage of cash and cash equivalents 0.61% 1.84%