Note 11 - Commitments and Contingencies (Details Textual) - USD ($) |
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Patents [Member] | ||
| Finite-Lived Intangible Asset, Useful Life (Year) | 20 years | |
| M I T Licensing Agreement [Member] | ||
| Contractual Obligation | $ 50,000 | $ 50,000 |
| X | ||||||||||
- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Details
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- Details
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