Note 15 - Retirement, Savings and Deferred Compensation Plans - Amounts Recognized in Accumulated Other Comprehensive Loss (Details) - Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Prior service cost	$ 132	$ 212	$ 334
Net loss	(3,303)	(1,336)	(2,216)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	$ (3,171)	$ (1,124)	$ (1,882)