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Note 19 - Pension Plan - Changes in Benefit Obligations (Details) - Pension Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Projected benefit obligation	$ 38,974	$ 42,368
Current service cost	596	1,013
Plan participant / third party contributions	185	246
Interest cost	424	744
Benefits paid	(371)	(601)
Individual settlements	(35)	84
Settlement due to amendment of contract	(45,388)
Settled benefits due to the purchase of annuity contracts	(319)
Foreign exchange	(1,177)	(2,038)
Expected projected benefit obligation, December 31	(7,111)	41,816
Actuarial loss / (gain), net of foreign exchange	8,924	(2,842)
Projected benefit obligation	$ 1,813	$ 38,974

X

- Definition

The amount of (increase) decrease for individual settlements for benefit obligation in a defined benefit plan.

+ References

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Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settled benefits. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

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Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement amendment of contract. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.

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- Definition

Represents the amount of expected projected benefit obligation under defined benefit plan.

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- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

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-SubTopic 20
-Section 50
-Paragraph 1
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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Amount of contributions received by defined benefit plan from participant which increase benefit obligation.

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Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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