Note 5 - Reinsurance - Summary of Effects of Reinsurance (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Direct	$ 20,814,526	$ 19,566,183
Reinsurance assumed	38,726	36,948
Reinsurance ceded	(2,340,640)	(2,270,628)
Net	18,512,612	17,332,503
Direct	20,243,436	18,264,700
Reinsurance assumed	41,702	41,628
Reinsurance ceded	(2,483,841)	(2,289,651)
Net	17,801,297	16,016,677
Direct	13,266,429	12,613,142
Reinsurance assumed	9,241	45,409
Reinsurance ceded	(2,227,989)	(2,463,350)
Net	$ 11,047,681	$ 10,195,201