Note 11 - Benefits Plans - Plan Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Fair value at beginning of period	$ 10,217
Fair value at end of period	10,175	$ 10,217
Net (gain) loss	(126)	252
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	150	150
Pension Plan [Member]
Fair value at beginning of period	10,217	10,923
Actual return on plan assets	801	38
Company contributions	0	27
Benefits paid	(843)	(771)
Fair value at end of period	10,175	10,217
Projected benefit obligation at beginning of period	9,957	10,398
Interest cost	487	461
Actuarial loss	267	(131)
Benefits paid	(843)	(771)
Projected benefit obligation at end of period	9,868	9,957
Funded status at period end	307	260
Other assets	307	260
Accumulated other comprehensive loss	(1,571)	(1,788)
Net amount recognized	1,878	2,048
Net (gain) loss	(126)	252
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	(150)	(150)
Net periodic benefit cost (income)	$ (276)	$ 102
Discount rate	5.35%	5.45%