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Note 10 - Components of Net Periodic Pension Cost - Net Periodic Pension Cost (Details) - Pension Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	106	110	318	330
Expected return on plan assets	(214)	(209)	(642)	(628)
Net amortization	43	74	129	222
Total periodic pension income	$ (65)	$ (25)	$ (195)	$ (76)

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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