v3.25.2
Retirement benefits obligations - Comprehensive loss (Details) - CHF (SFr)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Defined benefit plans        
Current service cost SFr (7,521) SFr (3,204) SFr (15,043) SFr (6,354)
Past service cost       1,070
Interest cost (5,399) (7,291) (10,799) (9,086)
Interest income 4,861 7,029 9,721 8,662
Company pension amount SFr (8,059) (3,466) SFr (16,121) (5,708)
Discontinued operations        
Defined benefit plans        
Company pension amount       (42,493)
Discontinued operations as disclosed below        
Defined benefit plans        
Past service cost due to transfer of employees   SFr 433,791   SFr 433,791