Income Taxes - Deferred Taxes (Details) - CHF (SFr) SFr in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Income Taxes And Deferred Taxes [Abstract] | |||
| Net operating losses | SFr 57,854 | SFr 50,643 | SFr 56,285 |
| Tax loss carryforwards | SFr 252,980 | 195,126 | |
| Tax loss carryforwards, expiration period | 7 years | ||
| Net defined benefit liability (asset) | SFr 7,841 | SFr 4,520 | SFr 4,720 |
| Average effective tax rate | 0.00% | 0.00% | 0.00% |
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- Definition The tax expense (income) divided by the accounting profit. [Refer: Accounting profit] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Income taxes [Abstract] No definition available.
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- Definition Net Operating Losses No definition available.
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- Definition Tax Loss Carryforwards No definition available.
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- Definition Tax Loss Carryforwards, Expiration Period No definition available.
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