v3.26.1
Intangible assets (Details) - CHF (SFr)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets    
Additions   SFr 182,348
Depreciation charge   (182,348)
Fair value of Income recognised for services received at zero cost SFr 141,018  
Fair value of services received at zero cost recorded as other operating cost 141,018  
Cost    
Intangible assets    
Opening amount 182,348  
Closing amount 182,348 182,348
Accumulated depreciation    
Intangible assets    
Opening amount (182,348)  
Closing amount (182,348) (182,348)
Service agreement    
Intangible assets    
Additions   182,348
Depreciation charge   (182,348)
Service agreement | Cost    
Intangible assets    
Opening amount 182,348  
Closing amount 182,348 182,348
Service agreement | Accumulated depreciation    
Intangible assets    
Opening amount (182,348)  
Closing amount SFr (182,348) SFr (182,348)