Note 14 - Segment Information - Assets in Each Reportable Segment (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Total	$ 64,366,154	$ 129,693,972
Operating Segments [Member] \| Bimini Advisors Asset Management [Member]
Total	2,668,000	2,617,000
Operating Segments [Member] \| Tom Johnson Investment Management, Asset Management [Member]
Total	17,969,000	0
Operating Segments [Member] \| Investment Portfolio [Member]
Total	37,936,000	120,751,000
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Total	$ 5,793,000	$ 6,326,000

Amount of asset recognized for present right to economic benefit.

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+ Details