v3.26.1
Operating costs (Details) - CHF (SFr)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating costs      
Staff costs (note 18) SFr 389,230 SFr 242,591 SFr 238,527
Depreciation (notes 8/9) 8,472 192,698 11,752
External research and development costs 190,190 435,189 942,714
Patent maintenance and registration costs 188,918 283,382 229,227
Professional fees 1,314,859 1,206,813 1,163,839
D&O insurance 183,841 225,772 628,595
Fair value of services received at zero costs 141,018    
Other operating costs 570,930 578,830 645,501
Total operating costs SFr 2,987,458 SFr 3,165,275 SFr 3,860,155 [1]
[1] The comparative information has been re-presented due to discontinued operations that have been reclassed to the financial line called “Net profit or loss from discontinued operations” (note 23). In the other sections of these consolidated financial statements an asterisk will indicate where comparative information has been re-presented