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 ($)
Dec. 31, 2019
Sep. 30, 2019
Accounts Receivable and Concentration of Credit Risk [Abstract]    
Accounts receivable $ 6,064,408 $ 5,103,823
Less: allowance for doubtful accounts (33,143) (33,143)
Less: allowance for sales and payment term discounts (61,102) (49,623)
Accounts receivable, net $ 5,970,163 $ 5,021,057