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Note 1 - Summary of Significant Accounting Policies (Details Textual) |  | 3 Months Ended |
--- | --- | --- | ---
May 26, 2023 $ / shares | Mar. 31, 2024 USD ($) $ / shares | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 |  | $ 0.001
Restricted Cash and Cash Equivalents, Current |  | $ 920,525 |  | $ 941,361
Cash, Uninsured Amount |  | 0 |  | $ 0
Advertising Expense |  | 13,821 | $ 32,599 |
Research and Development Expense |  | $ 254,812 | $ 342,619 |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 5 years |  |
Minimum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  | 3 years |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 1 year |  |
Maximum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  | 10 years |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 10 years |  |
Reverse Stock Split [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 8 |  |  |

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