Note 9 - Federal Taxes on Income - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current	$ 3,131	$ 4,085
Deferred	63	(1,131)
Income Tax Expense (Benefit), Total	$ 3,194	$ 2,954