Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Mar. 31, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Patent and Trademark Costs | $ 190,727 | $ 104,067 | |
| Previously Capitalized Patent Costs Abandoned | $ 0 | $ 62,388 | |
| Minimum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life (Year) | 5 years | ||
| Maximum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life (Year) | 15 years | ||
| X | ||||||||||
- Definition Represents the amount of cash outflow for patent and trademark costs during the period. No definition available.
|
| X | ||||||||||
- Definition Represents the amount of previously-capitalized patent costs abandoned during the period. No definition available.
|
| 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.
|
| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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