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Note 9 - Accrued Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		March 31, 2022 (unaudited)				December 31, 2021 (audited)
		(in thousands)
Defined benefit pension plan		$	5,875			$	5,932
Non-qualified retirement plans			2,129				2,147
Total			8,004				8,079
Less current portion			142				142
Non-current portion of accrued retirement benefits		$	7,862			$	7,937

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended March 31, (unaudited)
		2022				2021
		(in thousands)
Interest cost		$	264			$	309
Expected return on plan assets			(306	)			(414	)
Amortization of net actuarial loss			156				221
Pension and other postretirement expenses		$	114			$	116

X

- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

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