XML 104 R85.htm IDEA: XBRL DOCUMENT v3.23.2
Operating lease liability - Additional Information (Details) - USD ($)
12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Operating lease liability    
Operating lease payments $ 136,256 $ 0
Discount rate 3.65%  
Amortization of lease expenses $ 138,272 0
Operating lease expense $ 235,069 $ 90,748
Shenzhen Wan    
Operating lease liability    
Discount rate 3.65%  
Weighted average remaining lease terms for operating leases 1 year  
Longcheng Car    
Operating lease liability    
Discount rate 3.65%  
Weighted average remaining lease terms for operating leases 9 months