v3.26.1
Property, plant and equipment (Details)
SFr in Thousands
 6 Months Ended
Jun. 30, 2026
CHF (SFr)
Property, plant and equipment:  
Property, plant and equipment, beginning of period SFr 1,989
Property, plant and equipment, end of period 1,919
Acquisition Cost  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 15,704
Additions 481
Property, plant and equipment, end of period 16,186
Accumulated depreciation  
Property, plant and equipment:  
Property, plant and equipment, beginning of period (13,715)
Depreciation expense (551)
Property, plant and equipment, end of period (14,267)
Furniture  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 44
Property, plant and equipment, end of period 34
Furniture | Acquisition Cost  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 334
Property, plant and equipment, end of period 334
Furniture | Accumulated depreciation  
Property, plant and equipment:  
Property, plant and equipment, beginning of period (290)
Depreciation expense (10)
Property, plant and equipment, end of period (300)
IT Equipment  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 269
Property, plant and equipment, end of period 246
IT Equipment | Acquisition Cost  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 2,545
Additions 70
Property, plant and equipment, end of period 2,615
IT Equipment | Accumulated depreciation  
Property, plant and equipment:  
Property, plant and equipment, beginning of period (2,277)
Depreciation expense (93)
Property, plant and equipment, end of period (2,370)
Lab Equipment  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 1,182
Property, plant and equipment, end of period 1,277
Lab Equipment | Acquisition Cost  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 10,935
Additions 406
Property, plant and equipment, end of period 11,341
Lab Equipment | Accumulated depreciation  
Property, plant and equipment:  
Property, plant and equipment, beginning of period (9,754)
Depreciation expense (310)
Property, plant and equipment, end of period (10,064)
Leasehold Improvements  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 495
Property, plant and equipment, end of period 362
Leasehold Improvements | Acquisition Cost  
Property, plant and equipment:  
Property, plant and equipment, beginning of period 1,890
Additions 5
Property, plant and equipment, end of period 1,895
Leasehold Improvements | Accumulated depreciation  
Property, plant and equipment:  
Property, plant and equipment, beginning of period (1,395)
Depreciation expense (138)
Property, plant and equipment, end of period SFr (1,533)