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

ACCOUNTS RECEIVABLE - Additional Information (Details)

v3.20.4
ACCOUNTS RECEIVABLE - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
ACCOUNTS RECEIVABLE      
Bad debt expense $ 0 $ 0 $ 286,606
Bad debt write-off 0 $ 0  
Accounts receivable pledged $ 1,829,454