Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Details) - Schedule of accounts receivable

v3.21.2
Accounts Receivable (Details) - Schedule of accounts receivable - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Schedule of accounts receivable [Abstract]    
Accounts receivable $ 32,357,692 $ 9,281,406
Less: allowance for doubtful accounts (411,131) (7,960)
Accounts receivable, net $ 31,946,561 $ 9,273,446