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Other Assets (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019 | Oct. 01, 2019
Other Assets |  |  |  |
Intangible assets, net of accumulated amortization of $634,032 at September 30, 2021 and $583,655 at September 30, 2020 | $ 62,474 | $ 112,851 |  |
Operating lease right-of-use assets | $ 42,976 | $ 45,126 | $ 0 | $ 130,018
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Total other assets | Total other assets |  | Total other assets
Other non-current assets | $ 82,834 | $ 91,566 |  |
Total other assets | 188,284 | 249,543 |  |
Accumulated amortization of intangible assets | 634,032 | 583,655 |  |
Impairment charges | 0 | 0 | 0 |
Intangible asset amortization expense | 50,377 | 32,618 | $ 19,400 |
Prepaid software licenses | $ 7,535 | $ 16,266 |  |

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