Note 20 - Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 664	$ 531
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	$ 1,100
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year	5.60%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	4.60%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate	2066
Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit	$ 179
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	1.50%	3.50%
Pension Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	2.00%	1.50%