Note 5 - Reinsurance - Summary of Effects of Reinsurance (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Direct	$ 14,534,058	$ 16,305,222	$ 44,240,437	$ 48,349,466
Reinsurance assumed	51,551	70,200	114,924	178,446
Reinsurance ceded	(2,328,734)	(2,410,170)	(7,921,708)	(7,730,458)
Net	12,256,875	13,965,252	36,433,653	40,797,454
Direct	14,825,942	16,007,232	44,710,106	46,710,351
Reinsurance assumed	51,108	64,863	116,404	174,583
Reinsurance ceded	(2,344,083)	(2,392,349)	(7,904,808)	(7,665,052)
Net	12,532,967	13,679,746	36,921,702	39,219,882
Direct	10,536,397	13,034,216	37,370,896	37,778,378
Reinsurance assumed	6,073	36,297	44,409	119,498
Reinsurance ceded	(1,679,417)	(3,461,166)	(11,501,686)	(9,780,507)
Net	$ 8,863,053	$ 9,609,347	$ 25,913,619	$ 28,117,369