Note 15 - Pension Plan - Changes in Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Fair value of plan assets	$ 38,813	$ 33,016
Expected net return on plan assets	689	640
Employer	634	609
Plan participants	246	308
Benefits paid	(601)	(495)
Individual settlements	84
Other costs	(171)	(72)
Foreign exchange	(1,853)	4,658
Expected fair value of plan assets - December 31	37,841	38,664
Actuarial (gain)/loss, net of foreign exchange	(664)	149
Fair value of plan assets	$ 37,177	$ 38,813

Represents the actuarial gain on plan assets under defined benefit plan, net of foreign currency exchange.

No definition available.

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- Definition

Represents the amount of expected fair value of plan assets under defined benefit plan.

+ References

No definition available.

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- Definition

Amount of administration expense of defined benefit plan which decreases plan assets. Excludes plan administration expense paid by employer.

+ References

No definition available.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

+ References

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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- Definition

Amount of payment to participant under defined benefit plan which decreases plan assets. 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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- Definition

Amount of contributions received by defined benefit plan from participant which increases plan assets.

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- Definition

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

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- Definition

Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.

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