Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

ACCOUNTS RECEIVABLE (Details)

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ACCOUNTS RECEIVABLE (Details) - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
ACCOUNTS RECEIVABLE      
Accounts receivable, gross $ 33,413,662 $ 27,034,192  
Less: allowance for doubtful accounts (2,020,373) (1,919,152) $ (1,997,310)
Accounts receivable, net $ 31,393,289 $ 25,115,040