v3.26.1
Concentrations of risks - Credit Risk (Details)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Concentration Risk [Line Items]        
Cash $ 2,659,190     $ 1,899,801
Cash, amount uninsured by taiwan central deposit insurance corporation 114,612      
Cash, amount uninsured by Kingdom of Cambodia banking authority 186,204      
Cash, amount uninsured by european banking authority 114,287   € 99,338  
United States        
Concentration Risk [Line Items]        
Cash 1,753,882      
Cash, amount uninsured by FDIC 1,248,867      
TAIWAN        
Concentration Risk [Line Items]        
Cash 368,616      
Cambodia        
Concentration Risk [Line Items]        
Cash 186,204      
GSX CHINA        
Concentration Risk [Line Items]        
Cash 12,632      
Cash, amount uninsured by FDIC | ¥   ¥ 87,338    
European Union        
Concentration Risk [Line Items]        
Cash $ 254,138   € 220,897