v3.26.1
Disclosures on financial instruments Capital risk management (Details) - Veraxa Biotech A G [Member] - CHF (SFr)
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Entity Information [Line Items]      
Cash and cash equivalents SFr 1,613,989 SFr 5,362,638 SFr 11,352,223
Financial assets measured at amortized cost 1,270,594 243,688  
Financial liabilities measured at amortized cost SFr 2,681,092 SFr 587,389