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Note 16 - Pension Plan (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  |  | 2017 |  |  |  | 2016 |
Gross employer service cost |  | $ | 1,501 |  |  | $ | 1,378 |
Plan participant contributions |  |  | (308 | ) |  |  | (336 | )
Interest cost on service cost |  |  | 27 |  |  |  | 34 |
Employer's service cost |  |  | 1,220 |  |  |  | 1,076 |
Interest cost |  |  | 701 |  |  |  | 794 |
Expected net return on plan assets |  |  | (640 | ) |  |  | (787 | )
Other costs |  |  | 166 |  |  |  | 168 |
Total employer's pension expense |  | $ | 1,447 |  |  | $ | 1,251 |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
Change in benefit obligation: |  |  | 2017 |  |  |  | 2016 |
Projected benefit obligation - January 1 |  | $ | 36,659 |  |  | $ | 31,421 |
Current service cost |  |  | 1,220 |  |  |  | 1,076 |
Plan participant / third party contributions |  |  | 308 |  |  |  | 336 |
Interest cost |  |  | 701 |  |  |  | 794 |
Benefits paid |  |  | (495 | ) |  |  | (438 | )
Curtailment |  |  | (125 | ) |  |  | - |
Foreign exchange |  |  | 5,204 |  |  |  | (969 | )
Expected projected benefit obligation, December 31 |  |  | 43,473 |  |  |  | 32,220 |
Actuarial (gain)/ loss, net of foreign exchange |  |  | (1,105 | ) |  |  | 4,438 |
Projected benefit obligation - December 31 |  | $ | 42,368 |  |  | $ | 36,659 |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change in plan assets: |  |  | 2017 |  |  |  | 2016 |
Fair value of plan assets - January 1 |  | $ | 33,016 |  |  | $ | 30,627 |
Expected net return on plan assets |  |  | 640 |  |  |  | 787 |
Contributions |  |  |  |  |  |  |  |
Employer |  |  | 609 |  |  |  | 603 |
Plan participants |  |  | 308 |  |  |  | 336 |
Benefits paid |  |  | (495 | ) |  |  | (438 | )
Other costs |  |  | (72 | ) |  |  | (168 | )
Foreign exchange |  |  | 4,658 |  |  |  | (916 | )
Expected fair value of plan assets - December 31 |  |  | 38,664 |  |  |  | 30,831 |
Actuarial gain, net of foreign exchange |  |  | 149 |  |  |  | 2,185 |
Fair value of plan assets - December 31 |  | $ | 38,813 |  |  | $ | 33,016 |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
|  |  | December 31, 2017 |  |  |  | December 31, 2016 |
Present value of accumulated benefit obligation |  | $ | (40,142 | ) |  | $ | (34,934 | )
Effect of future compensation increases |  |  | (2,226 | ) |  |  | (1,724 | )
Present value of projected benefit obligation |  |  | (42,368 | ) |  |  | (36,659 | )
Fair value of plan assets |  |  | 38,813 |  |  |  | 33,016 |
Net liability for pension benefits |  | $ | (3,555 | ) |  | $ | (3,643 | )
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  |  | 2017 |  |  |  | 2016 |
Actuarial (gain)/loss on remeasurement of projected benefit obligation |  | $ | (1,038 | ) |  | $ | 4,654 |
Actuarial (gain)/loss on remeasurement of fair value of assets |  |  | (234 | ) |  |  | (2,292 | )
Actuarial (gain)/loss on curtailment of benefits from reorganization |  |  | (125 | ) |  |  | - |
Total (gain)/loss recognized in other comprehensive income |  | $ | (1,397 | ) |  | $ | 2,362 |
Schedule of Assumptions Used [Table Text Block] |
|  |  | 2017 |  |  |  | 2016 |
Discount rate used in determining present values |  |  | 1.8 | % |  |  | 1.8 | %
Annual increase in future compensation levels |  |  | 2.0 | % |  |  | 2.0 | %
|  |  | 2017 |  |  |  | 2016 |
Discount rate used in determining present values |  |  | 1.8 | % |  |  | 1.8 | %
Annual increase in future compensation levels |  |  | 2.0 | % |  |  | 2.0 | %
Expected long-term rate of return on assets |  |  | 1.8 | % |  |  | 1.8 | %
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | December 31, |  |  | Fair value measurements |
|  | 2017 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Equity type investments |  | $ | 3,351 |  |  | $ | 3,351 |  |  | $ | - |  |  | $ | - |
Fixed interest type investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government bonds |  |  | 32,906 |  |  |  | 32,906 |  |  |  | - |  |  |  | - |
Cash |  |  | 102 |  |  |  | 102 |  |  |  | - |  |  |  | - |
Other |  |  | 2,453 |  |  |  | - |  |  |  | - |  |  |  | 2,453 |
Total |  | $ | 38,813 |  |  | $ | 36,360 |  |  | $ | - |  |  | $ | 2,453 |
Schedule of Expected Benefit Payments [Table Text Block] |
Year ended December 31 |  |  |
2018 |  | $ | 606 |
2019 |  |  | 692 |
2020 |  |  | 722 |
2021 |  |  | 760 |
2022 |  |  | 835 |
2023 - 2027 |  |  | 5,158 |

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + 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 (i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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