v3.26.3
Other current assets (Details) - CHF (SFr)
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Other current assets    
Other financial assets SFr 3,984 SFr 5,130
Trade and other receivables 29,746 20,087
Prepayments 237,449 16,295
Total other current assets 271,179 41,512
Increase (decrease) in other current assets 200,000  
Accumulated impairment | Trade and other receivables    
Other current assets    
Expected loss allowance SFr 0 SFr 0