Note 4 - Periodic Pension Expense (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended September 30,					Nine Months Ended September 30,
	2021		2020			2021			2020
Service cost - benefits earned during the period	$	46	$	38		$	138		$	114
Interest cost on projected benefit obligation		84		216			424			648
Expected return on plan assets		-		(389	)		(597	)		(1,167	)
Recognized actuarial loss		375		305			1,501			938
Settlement loss		-		82			-			413
Pension plan termination charge		-		-			6,945			-
Net periodic pension cost after settlements	$	505	$	252		$	8,411		$	946