Annual report pursuant to Section 13 and 15(d)

Accounts Receivable and Concentration of Credit Risk (Summary of Components of Allowance for Doubtful Accounts) (Details)

v3.19.3.a.u2
Accounts Receivable and Concentration of Credit Risk (Summary of Components of Allowance for Doubtful Accounts) (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Accounts Receivable and Concentration of Credit Risk [Abstract]    
Beginning balance $ 36,201 $ 38,103
Charges to expense 16,058
Charge-offs (3,058) (17,960)
Ending balance $ 33,143 $ 36,201