Accounts Receivable and Concentration of Credit Risk (Summary of Components of Allowance for Doubtful Accounts) (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Accounts Receivable and Concentration of Credit Risk [Abstract] | ||
| Beginning balance | $ 33,143 | $ 36,201 |
| Charges to expense | ||
| Charge-offs | (7,500) | |
| Ending balance | $ 25,643 | $ 36,201 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|