Note 6 - Unpaid Losses and Settlement Expenses - Reconciliation of Unpaid Losses and Settlement Expenses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Unpaid losses and settlement expense - beginning of the period:
Gross	$ 70,381,000	$ 63,858,000	$ 61,834,809	$ 61,576,000
Less: Ceded	15,527,000	15,918,000	14,521,219	13,020,000
Net	54,854,000	47,940,000	47,314,000	48,556,000
Increase in incurred losses and settlement expense:
Current year	9,825,000	8,582,000	29,309,000	23,818,000
Prior years	562,000	233,000	5,081,000	1,464,000
Total incurred	10,387,000	8,815,000	34,390,000	25,282,000
Deduct: Loss and settlement expense payments for claims incurred:
Current year	5,758,000	5,384,000	11,752,000	10,195,000
Prior years	5,620,000	4,557,000	16,089,000	16,829,000
Total paid	11,378,000	9,941,000	27,841,000	27,024,000
Net unpaid losses and settlement expense - end of the period	53,862,000	46,815,000	53,862,000	46,815,000
Plus: Reinsurance recoverable on unpaid losses	14,768,237	14,476,000	14,768,237	14,476,000
Gross unpaid losses and settlement expense - end of the period	$ 68,630,450	$ 61,291,000	$ 68,630,450	$ 61,291,000