Note 6 - Liability for Unpaid Losses and Loss Adjustment Expenses - Liability for Losses and Loss Adjustment Expense Activity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Liability—beginning of year	$ 0	$ 20,936,677
Incurred related to:
Current year	0	1,325,044
Prior years	0	0
Total incurred	0	1,325,044
Paid related to:
Current year	0	0
Prior years	0	0
Total paid	0	0
Liability—end of year	$ 0	$ 22,261,721