Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details) - Schedule of accounts receivable

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Accounts Receivable (Details) - Schedule of accounts receivable - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Schedule of accounts receivable [Abstract]    
Accounts receivable $ 304,536 $ 282,177
Less: allowance for doubtful accounts (237,480) (202,480)
Accounts receivable, net $ 67,056 $ 79,697