v3.26.1
Provisions - Disclosure of reconciliation of fair value of plan assets (Details) - 12 months ended Dec. 31, 2025
USD ($)
CHF (SFr)
Other Provisions, Contingent Liabilities and Contingent Assets [Abstract]    
Fair value of plan assets at Jan. 1 $ 3,750,460 SFr 3,397,771
Interest income on the plan assets 39,662 32,906
Contribution by the employer 172,442 143,069
Contribution by plan participants 172,442 143,069
Benefits (paid) / deposited (603,125) (500,391)
Return on plan assets excl. interest income 118,687 98,470
Foreign exchange impact 531,171 0
Fair value of plan assets at Dec. 31 $ 4,181,739 SFr 3,314,894