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Note 9 - Investment in Conduit Pharmaceuticals (Details Textual) |  |  | 1 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 19, 2025 | Jan. 22, 2025 | May 31, 2025 USD ($) | Jun. 30, 2025 USD ($) shares | Jan. 24, 2025 $ / shares shares | Dec. 31, 2024 USD ($) shares | Apr. 22, 2024 shares
Equity Securities, FV-NI | $ |  |  |  | $ 7,728 |  | $ 206,177 |
Conduit Pharmaceuticals Inc [Member] |  |  |  |  |  |  |
Equity Securities, FV-NI | $ |  |  |  | $ 7,728 |  |  |
Conduit Pharmaceuticals Inc [Member] | Private Warrants [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares |  |  |  | 540,000 |  |  | 540,000
Reverse Stock Split [Member] |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 | 100 |  |  |  |  |
Conduit Pharmaceuticals Inc [Member] |  |  |  |  |  |  |
Investment Owned, Balance, Shares (in shares) | shares |  |  |  |  | 29,431 | 2,944,514 | 4,015,250
Equity Securities, FV-NI | $ |  |  |  |  |  | $ 200,000 |
Conduit Pharmaceuticals Inc [Member] | CDT Common Stock [Member] |  |  |  |  |  |  |
Investment Owned, Fraction Share Payout (in dollars per share) | $ / shares |  |  |  |  | $ 0.63 |  |
Proceeds from Sale, Maturity and Collection of Investments | $ |  |  | $ 13,990 | $ 13,990 |  |  |
Conduit Pharmaceuticals Inc [Member] | CDTTW Warrants [Member] |  |  |  |  |  |  |
Investment Owned, Balance, Shares (in shares) | shares |  |  |  | 709,000 |  | 709,000 |
Conduit Pharmaceuticals Inc [Member] | Private Warrants [Member] |  |  |  |  |  |  |
Investment Owned, Balance, Shares (in shares) | shares |  |  |  |  |  | 540,000 |

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