Share capital (Details) - Veraxa Biotech A G [Member] - CHF (SFr)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Entity Information [Line Items]
Share capital balance as of year end	SFr 14,182,189	SFr 13,409,213
Changes in the reporting year	568,878	772,976
Share capital balance as of year end	SFr 14,751,067	SFr 14,182,189

The nominal value of capital issued.

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