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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 ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2025 USD ($) shares	Jan. 24, 2025 $ / shares shares	Dec. 31, 2024 USD ($) shares	Apr. 22, 2024 shares
Equity Securities, FV-NI | $					$ 7,515		$ 206,177
Conduit Pharmaceuticals Inc [Member]
Equity Securities, FV-NI | $					$ 7,515
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						29,445	2,944,514	4,015,250
Equity Securities, FV-NI | $					$ 7,515		$ 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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