Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Accounts Receivable and Concentration of Credit Risk (Summary Of Components Of Allowance For Doubtful Accounts) (Details) - USD ($)
9 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Accounts Receivable and Concentration of Credit Risk [Abstract]    
Beginning balance $ 36,201 $ 38,103
Charges to expense   3,058
Charge-offs (3,058) (5,000)
Ending balance $ 33,143 $ 36,161