Trade and other receivables - Disclosure of Detailed Information about Trade and Other Receivables (Details) - CHF (SFr) SFr in Thousands	Dec. 31, 2025	Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract]
Trade receivables	SFr 253	SFr 286
Value added tax	895	470
Withholding tax	605	1,484
Other receivables	81	77
Trade and other receivables	SFr 1,834	SFr 2,317

The amount of current receivables from taxes other than income tax. [Refer: Receivables from taxes other than income tax]

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- Definition

The amount of current trade receivables. [Refer: Trade receivables]

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The amount of current value added tax receivables. [Refer: Value added tax receivables]

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The amount of current other receivables. [Refer: Other receivables]

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The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

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