Accounts Receivable and Concentration of Credit Risk (Components of Accounts Receivable) (Details) - USD ($) |
Mar. 31, 2020 |
Sep. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2018 |
|---|---|---|---|---|
| Accounts Receivable and Concentration of Credit Risk [Abstract] | ||||
| Accounts receivable | $ 7,013,027 | $ 5,410,165 | ||
| Less: allowance for doubtful accounts | (25,643) | (33,143) | $ (36,201) | $ (36,201) |
| Less: allowance for sales and payment term discounts | (84,743) | (49,623) | ||
| Less: long-term trade receivables | (1,100,625) | (306,342) | ||
| Accounts receivable, net | $ 5,802,016 | $ 5,021,057 |
| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Allowance For Sales And Payment Term Discounts No definition available.
|