v3.26.1
PIPE subscription obligation - Assumptions (Details) - PIPE financing
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
Y
Jan. 31, 2026
Y
$ / shares
PIPE subscription obligation    
Increase (decrease) in fair value upon increase in measurement input $ 11.1  
Increase (decrease) in fair value upon decrease in measurement input $ 11.1  
Fair value of common shares    
PIPE subscription obligation    
Preferred shares and warrants, measurement input | $ / shares 9.69 7.52
Expected term (years)    
PIPE subscription obligation    
Preferred shares and warrants, measurement input | Y 5 5.7
Expected volatility    
PIPE subscription obligation    
Preferred shares and warrants, measurement input 0.80 0.80
Risk-free interest rate    
PIPE subscription obligation    
Preferred shares and warrants, measurement input 0.0411 0.0383
Expected dividend    
PIPE subscription obligation    
Preferred shares and warrants, measurement input 0.12 0.12
Weighted average discount rate    
PIPE subscription obligation    
Preferred shares and warrants, measurement input 0.461 0.461
Percentage of increase in measurement input 10.00%  
Percentage of decrease in measurement input 10.00%