v3.26.1
Summary of significant accounting policies - Revenue by major product line and Foreign Currency translation (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
¥ / $
Dec. 31, 2024
USD ($)
¥ / $
Dec. 31, 2023
USD ($)
¥ / $
Dec. 31, 2025
$ / $
Dec. 31, 2024
$ / $
Dec. 31, 2023
$ / $
Summary of significant accounting policies            
Revenues $ 17,096 $ 10,073 $ 3,569      
Foreign exchange 7.03 7.19   0.67 0.62  
Foreign Currency Exchange Rate 7.1 7.12 6.56 0.65 0.66 0.66
Interest On Loans            
Summary of significant accounting policies            
Revenues $ 2,167 $ 3,308 $ 2,313      
Property lease and management            
Summary of significant accounting policies            
Revenues 1,384 1,780 1,069      
Applications, technology & services            
Summary of significant accounting policies            
Revenues 549 151 $ 187      
Consultancy services for insurance products            
Summary of significant accounting policies            
Revenues 12,859 4,478        
Advisory and referral services            
Summary of significant accounting policies            
Revenues $ 137 $ 356