Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Patent and Trademark Costs | $ 76,175 | $ 67,472 |
| Previously Capitalized Patent Costs Abandoned | $ 47,774 | $ 0 |
| 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
|
| X | ||||||||||
- Details
|