Note 6 - Unpaid Losses and Settlement Expenses - Reconciliation of Unpaid Losses and Settlement Expenses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Unpaid losses and settlement expense - beginning of the period:
Gross	$ 66,415,000	$ 61,264,000	$ 56,838,307	$ 51,447,000
Less: Ceded	19,463,000	13,974,000	11,036,170	6,736,000
Net	46,952,000	47,290,000	45,802,000	44,711,000
Increase in incurred losses and settlement expense:
Current year	9,298,000	9,092,000	23,838,000	25,779,000
Prior years	(435,000)	517,000	2,076,000	2,338,000
Total incurred	8,863,000	9,609,000	25,914,000	28,117,000
Deduct: Loss and settlement expense payments for claims incurred:
Current year	4,885,000	6,064,000	10,534,000	10,455,000
Prior years	2,831,000	4,778,000	13,083,000	16,316,000
Total paid	7,716,000	10,842,000	23,617,000	26,771,000
Net unpaid losses and settlement expense - end of the period	48,099,000	46,057,000	48,099,000	46,057,000
Plus: Reinsurance recoverable on unpaid losses	13,844,420	12,266,000	13,844,420	12,266,000
Gross unpaid losses and settlement expense - end of the period	$ 61,943,244	$ 58,323,000	$ 61,943,244	$ 58,323,000