Retirement benefits obligations - Comprehensive loss (Details) - CHF (SFr) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Defined benefit plans | |||
| Current service cost | SFr (30,086) | SFr (20,383) | SFr (13,835) |
| Past service cost | 66,273 | 1,348 | |
| Interest cost | (21,598) | (23,182) | (8,797) |
| Interest income | 19,441 | 22,717 | 9,065 |
| Company pension amount | SFr (32,243) | 45,425 | (12,219) |
| Discontinued operations | |||
| Defined benefit plans | |||
| Current service cost | (59,730) | (254,667) | |
| Past service cost | 20,296 | 25,551 | |
| Interest cost | (34,030) | (166,812) | |
| Interest income | 30,971 | 171,895 | |
| Company pension amount | (42,493) | SFr (224,032) | |
| Discontinued operations as disclosed below | |||
| Defined benefit plans | |||
| Past service cost due to transfer of employees | SFr 433,791 | ||