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Pension benefits (Tables)
12 Months Ended
Dec. 31, 2018
Retirement Benefits [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,
 
 
 
2018
 
 
2017
 
 
 
 
 
 
 
 
Amortization of transition obligation
 
$
41
 
 
$
38
 
Actuarial gain (loss)
 
 
416
 
 
 
(226
)
Totals
 
$
457
 
 
$
(188
)
 
 
 
 
 
 
 
 
 
Amounts in accumulated other comprehensive loss not yet reflected in net periodic pension cost, net of taxes:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Actuarial gain
 
$
1,747
 
 
$
1,331
 
Transition obligation
 
 
(91
)
 
 
(132
)
Totals
 
$
1,656
 
 
$
1,199
 
 
 
 
 
 
 
 
 
 
Amounts in accumulated other comprehensive loss expected to be amortized in 2019 net periodic pension cost, net of taxes:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Actuarial gain
 
$
(195
)
 
 
 
 
Transition obligation
 
 
36
 
 
 
 
 
Totals
 
$
(159
)
 
 
 
 
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block]
Benefit Obligations:
 
 
 
2018
 
 
2017
 
 
 
 
 
 
 
 
Projected benefit obligation at beginning of the year
 
$
3,121
 
 
$
2,896
 
Service cost
 
 
344
 
 
 
333
 
Interest cost
 
 
198
 
 
 
187
 
Curtailment and other adjustments
 
 
14
 
 
 
(69
)
Actuarial gain
 
 
(622
)
 
 
(107
)
Foreign currency exchange rates changes
 
 
(251
)
 
 
51
 
Benefits paid
 
 
(213
)
 
 
(170
)
Projected benefit obligation at end of the year
 
$
2,591
 
 
$
3,121
 
Schedule of Net Benefit Costs [Table Text Block]
Components of Net Periodic Pension Cost:
 
 
 
2018
 
 
2017
 
 
 
 
 
 
 
 
Service cost
 
$
344
 
 
$
333
 
Interest cost
 
 
198
 
 
 
187
 
Past service cost
 
 
34
 
 
 
-
 
Curtailment
 
 
-
 
 
 
(69
)
Actuarial gain recognized
 
 
133
 
 
 
(249
)
Net periodic pension cost
 
$
709
 
 
$
202
 
Schedule of post employment benefits [Table text block]
Amounts recognized in the consolidated balance sheets for the years ended December 31 consist of the following:
 
 
 
2018
 
 
2017
 
Current accrued benefit cost
 
 
320
 
 
 
249
 
Non-current accrued benefit cost
 
 
2,271
 
 
 
2,586
 
Net amount recognized
 
 
2,591
 
 
 
2,835
 
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, 2018 are as follows:
 
 
 
2018
 
2017
Discount rate
 
7.25%-12.17%
 
5.78%-10.6%
Rate of increase in compensation level
 
5%-7%
 
5%-7%
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,
 
 
 
 
 
 
 
2019
 
$
320
 
2020
 
 
310
 
2021
 
 
168
 
2022
 
 
134
 
2023
 
 
159
 
2024 to 2028
 
 
1,736
 
 
 
$
2,827