Note 2 - Investments - Schedule of Investment Gains (Losses) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Recognized gains (losses) on sale of investments	$ 13,031	$ (757,601)
Change in allowance for credit loss recognized in earnings	(34,041)	128,729
Unrealized net gains (losses) recognized in earnings	8,414	1,711,411
Change in fair value of embedded derivative	(296,019)	65,978
Net investment gains (losses)	$ 283,423	$ 1,016,561