Accounts Receivable and Concentration of Credit Risk (Components of Accounts Receivable) (Details) - USD ($)	Jun. 30, 2022	Sep. 30, 2021
Accounts Receivable and Concentration of Credit Risk [Abstract]
Trade receivables, gross	$ 9,756,866	$ 8,938,849
Less: allowance for doubtful accounts	(14,143)	(20,643)
Less: allowance for sales returns and payment term discounts	(11,978)	(123,982)
Less: long-term trade receivables	(1,428,000)
Accounts receivable, net	$ 8,302,745	$ 8,794,224