Accounts Receivable and Concentration of Credit Risk (Summary of Components of Allowance for Doubtful Accounts) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Accounts Receivable and Concentration of Credit Risk [Abstract]
Beginning balance	$ 33,143	$ 36,201
Charges to expense
Charge-offs	(7,500)	(3,058)
Ending balance	$ 25,643	$ 33,143