Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Concentration of Credit Risk (Components of Accounts Receivable) (Details)

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Accounts Receivable and Concentration of Credit Risk (Components of Accounts Receivable) (Details) - USD ($)
Mar. 31, 2022
Sep. 30, 2021
Accounts Receivable and Concentration of Credit Risk [Abstract]    
Trade receivables, gross $ 9,790,124 $ 8,938,849
Less: allowance for doubtful accounts (16,643) (20,643)
Less: allowance for sales returns and payment term discounts (210,791) (123,982)
Less: long-term trade receivables (1,428,000)  
Accounts receivable, net $ 8,134,690 $ 8,794,224