Note 13 - Retirement Plans (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	50.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	3.00%
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan, Service Cost	$ 19	$ 18
Minimum [Member]
Employee Benefit Contribution, Automatic Contribution Percentage	5.00%
Maximum [Member]
Employee Benefit Contribution, Automatic Contribution Percentage	7.00%