v3.26.1
Financial instruments - Fair values (Details) - Level 3 - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Warrant liability      
Financial instruments      
Fair value of financial instrument     $ 10
SIF contribution liability      
Financial instruments      
Fair value of financial instrument $ 87,417 $ 28,369 15,681
Share-based compensation      
Financial instruments      
Fair value of financial instrument 22,477 15,545 6,889
Convertible notes      
Financial instruments      
Fair value of financial instrument     $ 21,412
SAFE liabilities      
Financial instruments      
Fair value of financial instrument 56,153 44,340  
SAFE Warrants      
Financial instruments      
Fair value of financial instrument 15,467 $ 13,171  
PIPE subscription obligation      
Financial instruments      
Fair value of financial instrument $ 21,976