XML 69 R58.htm IDEA: XBRL DOCUMENT v3.25.3
Segment reporting - Major customers (Details) - customer
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Geographical information        
Number of major customers     2  
Customer A        
Geographical information        
Revenue percentage 62.00% 62.00% 63.00% 61.00%
Customer B        
Geographical information        
Revenue percentage 15.00% 14.00% 15.00% 15.00%