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

ACCOUNTS RECEIVABLE - Additional Information (Details)

v3.21.4
ACCOUNTS RECEIVABLE - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
ACCOUNTS RECEIVABLE    
Bad debt expense $ 92,943  
Bad debt write-off 0 $ 0
Accounts receivable pledged $ 2,053,490 $ 1,829,454