Note 12 - Segment Information - Segment Reporting Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Revenues	$ 525,995	$ 491,398	$ 475,859	$ 777,537	$ 749,393	$ (526,162)	$ 3,190,256	$ 3,205,403	$ 2,270,789	$ 6,618,890
Total losses and expenses									4,201,352
Segment loss	(877,939)	$ (441,709)	$ (400,654)	$ (210,261)	(889,988)	$ (955,112)	$ (93,078)	$ 344,147	(1,930,563)	(1,594,031)
Property, Plant and Equipment, Net, Total	644,133				898,560				644,133	898,560
Total losses and expenses										8,212,921
Reinsurance Segment [Member]
Revenues									8,515	3,213,768
Total losses and expenses									655,967
Segment loss									(647,452)	(799,908)
Property, Plant and Equipment, Net, Total	0				0				0	0
Total losses and expenses										4,013,676
Insurance Segment [Member]
Revenues									2,262,274	3,405,122
Total losses and expenses									3,545,385
Segment loss									(1,283,111)	(794,123)
Property, Plant and Equipment, Net, Total	$ 644,133				$ 898,560				$ 644,133	898,560
Total losses and expenses										$ 4,199,245