Note 8 - Reinsurance - Reconciliation of Total Reinsurance Premiums Written to Reinsurance Premiums Earned (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net premiums written	$ 3,903	$ 8,445
Increase in unearned premium reserves	300	(300)
Protected Cell [Member]
Net premiums written	300	6,630
Increase in unearned premium reserves	0	(300)
Reinsurance premiums earned	$ 300	$ 6,330