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 ($)
Jun. 30, 2021
Sep. 30, 2020
Accounts Receivable and Concentration of Credit Risk [Abstract]    
Trade receivables, gross $ 8,441,224 $ 5,332,786
Less: allowance for doubtful accounts (22,643) (25,643)
Less: allowance for sales returns and payment term discounts (105,038) (79,906)
Accounts receivable, net $ 8,313,543 $ 5,227,237