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Disclosure of financial instruments and risk management (Details) - Sep. 30, 2022 - Foreign currency risk - Cash and cash equivalents
SFr in Thousands, $ in Thousands
USD ($)
CHF (SFr)
USD    
Disclosure of nature and extent of risks arising from financial instruments    
Exposure in (foreign) currency | $ $ 82,577  
CHF    
Disclosure of nature and extent of risks arising from financial instruments    
Exposure in (foreign) currency | SFr   SFr 117