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Accounts Receivable (Tables)
 9 Months Ended
Jun. 30, 2020
Receivables [Abstract]  
Schedule of accounts receivable
Accounts receivable are summarized as follows:
 
June 30,
2020
 
September 30,
2019
Accounts receivable
$
247,478

 
$
262,491

Allowance for doubtful accounts
(4,580
)
 
(4,906
)
Receivables, net
$
242,898

 
$
257,585