Note 4 - Periodic Pension Expense (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,					Six Months Ended June 30,
	2022		2021			2022		2021
Service cost - benefits earned during the period	$	51	$	46		$	102	$	92
Interest cost on projected benefit obligation		100		153			200		340
Expected return on plan assets		-		(239	)		-		(597	)
Recognized actuarial loss		428		526			856		1,126
Pension plan termination charge		-		6,945			-		6,945
Net periodic pension cost	$	579	$	7,431		$	1,158	$	7,906