Summary of Significant Accounting Policies (Reconciliation of Changes in Allowance for Doubtful Accounts) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 110,743	$ 103,573
Provision for doubtful accounts	556,112	220,039
Recoveries of accounts written off	139,113	96,614
Accounts written off	(102,828)	(309,483)
Ending balance	$ 703,140	$ 110,743