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Note 8 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Costs of Retirement Plans [Table Text Block]

		Year Ended December 31,
(in thousands)		2021				2020
Interest cost		$	358			$	391
Expected return on plan assets			(675	)			(733	)
Net amortization loss			551				105
Recognition of net loss due to settlements			115				22
Net periodic benefit cost (credit)		$	349			$	(215	)

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		December 31,
(in thousands)		2021				2020
Change in benefit obligation:
Balance at beginning of year		$	25,519			$	20,027
Interest cost			358				391
Actuarial (gain) loss			(2,440	)			4,814
Settlements due to transfers paid			(198	)			(205	)
Benefits paid			(498	)			(476	)
Currency translation adjustment			(179	)			968
Balance at end of year		$	22,562			$	25,519

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

		December 31,
(in thousands)		2021				2020
Change in fair value of plan assets:
Balance at beginning of year		$	23,926			$	21,114
Actual return on plan assets			3,354				1,690
Employer contributions			1,042				901
Settlement due to transfers paid			(270	)			(159	)
Benefits paid			(498	)			(476	)
Currency translation adjustment			(302	)			856
Balance at end of year		$	27,252			$	23,926

Schedule of Net Funded Status [Table Text Block]

		December 31,
(in thousands)		2021				2020
Benefit obligation		$	22,562			$	25,519
Fair value of plan assets			27,252				23,926
Net funded status		$	4,690			$	(1,593	)

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

		December 31,
(in thousands)		2021				2020
Other long term assets (liabilities)		$	4,690			$	(1,593	)
Deferred income tax liabilities			(891	)			-
Recognized in accumulated other comprehensive loss		$	3,799			$	(1,593	)

Defined Benefit Plan, Assumptions [Table Text Block]

		Year Ended December 31,
		2021				2020
Discount rate			1.8	%			1.4	%
Expected return on assets			2.8	%			3.4	%

Schedule of Allocation of Plan Assets [Table Text Block]

		December 31,
(in thousands)		2021								2020
Asset category:
Equity securities		$	14,295				52	%		$	12,047				50	%
Debt securities			4,720				17	%			4,605				19	%
Liability driven investment funds			5,722				21	%			5,168				22	%
Cash and cash equivalents			1,907				7	%			1,860				8	%
Other			608				2	%			246				1	%
Total		$	27,252				100	%		$	23,926				100	%

Defined Benefit Plan, Plan Assets, Category [Table Text Block]

		December 31,
(in thousands)		2021				2020
Quoted Prices in Active Markets for Identical Assets (Level 1)		$	1,907			$	1,860
Significant Other Observable Inputs (Level 2)			25,345				22,066
Significant Other Unobservable Inputs (Level 3)			-				-
Total		$	27,252			$	23,926

X

- Definition

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