v3.26.1
Financial liabilities at fair value through profit and loss - Series A Convertible Preferred Shares (Details)
$ / shares in Units, £ in Thousands, $ in Thousands
 6 Months Ended
Apr. 20, 2026
USD ($)
D
$ / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
GBP (£)
shares
Financial liabilities at fair value through profit and loss      
Proceeds received | £     £ 39,935
Series A Convertible Preferred Shares      
Financial liabilities at fair value through profit and loss      
Maximum value of preferred stock issuable $ 250,000    
Undrawn commitment under convertible preferred equity facility   $ 200,000  
Series A Convertible Preferred Shares | Securities Purchase Agreement | YA II PN, Ltd. ("Yorkville")      
Financial liabilities at fair value through profit and loss      
Maximum value of preferred stock issuable 250,000    
Maximum value of preferred stock issuable per tranche $ 25,000    
Commitment period (in months) 24 months    
Number of shares issued | shares 25,000    
Stated value of preferred stock issued $ 25,000    
Proceeds received $ 24,000    
Stated value per share (in $ per share) | $ / shares $ 1,000    
Purchase price | $ / shares 960    
Fixed conversion price on initial tranche of offering (in dollars per share) | $ / shares $ 3.588    
Fixed conversion price on subsequent tranches of offering (% of closing sale price) 120.00%    
Percentage of VWAP of ordinary shares (in%) 96.00%    
Number of consecutive trading days immediately preceding the conversion date | D 5    
Floor conversion price (in dollars per share) | $ / shares $ 0.598    
Aggregate stated value of converted preferred shares   $ 23,000  
Number of ordinary shares issued on conversion of preferred shares | shares   10,192,489 10,192,489
Outstanding aggregate stated value   $ 2,000  
Convertible preferred share, additional issuance interval period (in days) 60 days    
ATM and ELOC restriction period (in days) 90 days    
Preferred shares redemption eligibility period (in days)   181 days 181 days
Undrawn commitment under convertible preferred equity facility   $ 225,000  
In kind dividend rate of convertible instruments in scenario of Triggering Event 18.00%    
Convertible preferred shares, redemption price as percentage of conversion amount   105.00%