v3.26.1
Other operating income (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Other operating income    
Release of unused provision $ 65,793  
Related party    
Other operating income    
Non-operating income 2,541,000 $ 227,000
Related party | WISeKey International Holding AG    
Other operating income    
Non-operating income 2,331,957  
Related party | SEALCoin AG    
Other operating income    
Non-operating income $ 208,890 $ 227,000