v3.26.1
Significant accounting policies - Operating segments (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
segment
Dec. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Significant accounting policies      
Number of operating segments | segment 1 1  
Number of reportable segments not disclosed true true  
Long-lived assets   $ 9,379 $ 11,655
CANADA      
Significant accounting policies      
Long-lived assets   $ 9,379 11,590
UNITED KINGDOM      
Significant accounting policies      
Long-lived assets     $ 65