Note 6 - Liability for Unpaid Losses and Loss Adjustment Expenses - Liability for Losses and Loss Adjustment Expense Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Liability—beginning of year	$ 12,989,260	$ 11,228,507
Incurred related to:
Current year	6,575,056	5,450,400
Prior years	1,453,679	785,074
Total incurred	8,028,735	6,235,474
Paid related to:
Current year	(807,072)	(559,594)
Prior years	(6,244,879)	(3,915,127)
Total paid	(7,051,951)	(4,474,721)
Liability—end of year	$ 13,966,044	$ 12,989,260