XML 74 R41.htm IDEA: XBRL DOCUMENT v3.21.2
Accounts Receivable, Net (Details) - Schedule of accounts receivable - USD ($)
Mar. 31, 2021
Mar. 31, 2020
Schedule of accounts receivable [Abstract]    
Accounts receivable $ 2,613,018 $ 1,053,950
Less: allowance for doubtful accounts (693,639) (511,037)
Total accounts receivable, net $ 1,919,379 $ 542,913