Note 5 - Reinsurance - Summary of Effects of Reinsurance (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Direct	$ 24,495,429	$ 20,900,412	$ 68,899,622	$ 61,695,027
Reinsurance assumed	60,457	59,970	135,570	129,328
Reinsurance ceded	(2,870,582)	(2,550,345)	(7,865,311)	(7,087,338)
Net	21,685,304	18,410,037	61,169,881	54,737,017
Direct	22,057,631	20,224,145	63,468,235	57,720,789
Reinsurance assumed	54,269	54,569	127,080	122,048
Reinsurance ceded	(2,878,383)	(2,554,273)	(8,066,448)	(7,077,077)
Net	19,233,517	17,724,441	55,528,867	50,765,760
Direct	17,854,337	11,226,504	43,754,741	39,364,381
Reinsurance assumed	18,080	20,590	58,499	68,283
Reinsurance ceded	(4,435,953)	(860,570)	(7,114,609)	(5,042,334)
Net	$ 13,436,464	$ 10,386,524	$ 36,698,631	$ 34,390,330