v3.26.3
Convertible notes payable (Tables)
 6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of convertible debt
Convertible Notes due 2026Convertible Notes due 2028Total
Balance as of December 31, 202538,819 60,283 99,102 
Issuance of convertible notes— 39,475 39,475 
Accretion of interest expense6,855 1,864 8,719 
Installment settlement(6,688)— (6,688)
Conversion to ordinary shares(14,255)— (14,255)
Balance as of June 30, 202624,731 101,622 126,353 
Current portion24,731 — 24,731 
Non-current portion— 101,622 101,622 
Schedule of fair value, net derivative liability, unobservable input reconciliation The fair value of derivative liability is estimated with the following key assumptions:
As of June 30, 2026
Bond yields (i)
22.56%
Probability of triggering events (ii)1.61 %

i.The bond yields were estimated based on the market yield of comparable bonds with similar credit rating.
ii.Probability of triggering events was estimated based on the average cumulative issuer-weighted global default rates by similar industry group.