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Pension benefits (Tables)

12 Months Ended

Dec. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Accumulated and Projected Benefit Obligations [Table Text Block]

The following table summarizes the amounts recognized in accumulated other comprehensive income (loss), net of taxes (in thousands):

		Years Ended December 31,
		2017			2016
Amortization of transition obligation		$	38		$	43
Actuarial loss			(226)			(179)
Totals		$	(188)		$	(136)
Amounts in accumulated other comprehensive loss not yet reflected in net periodic pension cost, net of taxes:
Actuarial gain		$	1,331		$	1,557
Transition obligation			(132)			(170)
Totals		$	1,199		$	1,387

Amounts in accumulated other comprehensive loss expected to be amortized in 2018 net periodic pension cost, net of taxes:
Actuarial gain		$	(157)
Transition obligation			38
Totals		$	(119)

Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block]

Benefit Obligations:

		2017			2016
Projected benefit obligation at beginning of the year		$	2,896		$	2,840
Service cost			333			368
Interest cost			187			170
Curtailment			(69)			-
Actuarial gain			(107)			(197)
Foreign currency exchange rates changes			51			(142)
Benefits paid			(170)			(143)
Projected benefit obligation at end of the year		$	3,121		$	2,896

Schedule of Net Benefit Costs [Table Text Block]

Components of Net Periodic Pension Cost:

		2017			2016
Service cost		$	333		$	368
Interest cost			187			170
Curtailment			(69)			-
Actuarial gain recognized			(249)			(315)
Net periodic pension cost		$	202		$	223

Schedule of Assumptions Used [Table Text Block]

Actuarial assumptions for all non-U.S. plans are described below. The discount rates are used to measure the year end benefit obligations and the earnings effects for the subsequent year. The assumptions for each of the two years in the period ended December 31, 2017 are as follows:

		2017		2016
Discount rate		5.78%-10.6%		5.4%-12.5%
Rate of increase in compensation level		5%-7%		5%-8.5%

Schedule of Expected Benefit Payments [Table Text Block]

Estimated Future Benefit Payments:

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):

Years Ending December 31,
2018		$	360
2019			221
2020			577
2021			142
2022			151
2023 to 2027			1,749
		$	3,200

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Tabular disclosure of benefit obligations including accumulated benefit obligation and projected benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)
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Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

+ References

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
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