v3.26.1
Discontinued operations - Operating costs of discontinued operations (Details) - CHF (SFr)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure      
Staff costs SFr 389,230 SFr 242,591 SFr 238,527
Depreciation 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
Other operating costs 570,930 578,830 645,501
Total operating costs SFr 2,987,458 3,165,275 3,860,155 [1]
Discontinued operations      
Disclosure      
Staff costs   1,400,000 5,100,000
Total operating costs   2,000,000 8,100,000
Discontinued operations as disclosed below      
Disclosure      
Staff costs   1,422,182 5,138,331
Depreciation   67,422 294,200
External research and development costs   333,278 1,805,708
Laboratory consumables   17,735 331,279
Patent maintenance and registration costs   62,563 140,906
Professional fees   38,271  
Short term leases   8,329 35,130
Other operating costs   61,415 322,659
Total operating costs   SFr 2,011,195 SFr 8,068,213
[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