v3.26.1
Payables and accruals (Details) - CHF (SFr)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Payables and accruals    
Trade payables SFr 602,901 SFr 253,290
Social security and other taxes 43,792 22,649
Accrued expenses 544,591 518,848
Total payables and accruals SFr 1,191,284 SFr 794,787
Maturity period of payables 3 months  
Increase (decrease) in payables and accruals SFr 400,000