Note 6 - Segment Information - Segment Reporting Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenues	$ 629,591	$ 777,537
Total expenses	1,017,434	987,798
Segment loss	(387,843)	(210,261)
Property, Plant and Equipment, Net	568,996	848,547	$ 644,133
Reinsurance Segment [Member]
Revenues	224	29
Total expenses	126,989	171,402
Segment loss	(126,765)	(171,373)
Property, Plant and Equipment, Net	0	0
Insurance Segment [Member]
Revenues	629,367	777,505
Total expenses	890,445	816,396
Segment loss	(261,078)	(38,888)
Property, Plant and Equipment, Net	$ 568,996	$ 848,547