Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details) - Schedule of accounts receivable

v3.21.2
Accounts Receivable (Details) - Schedule of accounts receivable - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Schedule of accounts receivable [Abstract]    
Accounts receivable $ 29,671,094 $ 32,357,692
Less: allowance for doubtful accounts (926,537) (411,131)
Accounts receivable, net $ 28,744,557 $ 31,946,561