Accrued expenses (Details) - CHF (SFr) SFr in Thousands	Jun. 30, 2026	Dec. 31, 2025
Trade and other payables and accrued expenses.
Accrued Expenses	SFr 7,122	SFr 8,067
Total	SFr 7,122	SFr 8,067

The amount of current accrued expenses and other current liabilities. [Refer: Accruals; Other current liabilities]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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