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Note 17 - Pension Plan (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  | 2016
Gross employer service cost |  | $ | 1,378 |
Plan participant contributions |  |  | (336 | )
Interest cost on service cost |  |  | 34 |
Employer's service cost |  |  | 1,076 |
Interest cost |  |  | 794 |
Expected net return on plan assets |  |  | (787 | )
Other costs |  |  | 168 |
Total employer's pension expense |  | $ | 1,251 |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
Change in benefit obligation: |  | 2016
Projected benefit obligation - January 1, 2016 |  | $ | 31,421 |
Current service cost |  |  | 1,076 |
Plan participant / third party contributions |  |  | 336 |
Interest cost |  |  | 794 |
Benefits paid |  |  | (438 | )
Foreign exchange |  |  | (969 | )
Expected projected benefit obligation, December 31, 2016 |  |  | 32,220 |
Actuarial loss, net of foreign exchange |  |  | 4,438 |
Projected benefit obligation - December 31, 2016 |  | $ | 36,659 |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change in plan assets: |  | 2016
Fair value of plan assets - January 1, 2016 |  | $ | 30,627 |
Expected net return on plan assets |  |  | 787 |
Contributions |  |  |  |
Employer |  |  | 603 |
Plan participants |  |  | 336 |
Benefits paid |  |  | (438 | )
Other costs |  |  | (168 | )
Foreign exchange |  |  | (916 | )
Expected fair value of plan assets - December 31, 2016 |  |  | 30,830 |
Actuarial gain, net of foreign exchange |  |  | 2,185 |
Fair value of plan assets - December 31, 2016 |  | $ | 33,016 |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
|  | December 31, 2016
Present value of accumulated benefit obligation |  | $ | (34,934 | )
Effect of future compensation increases |  |  | (1,724 | )
Present value of projected benefit obligation |  |  | (36,659 | )
Fair value of plan assets |  |  | 33,016 |
Net liability for pension benefits |  | $ | (3,643 | )
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | 2016
Actuarial loss on remeasurement of projected benefit obligation |  | $ | 4,654 |
Actuarial gain on remeasurement of fair value of assets |  |  | (2,292 | )
Total loss recognized in other comprehensive income |  | $ | 2,362 |
Schedule of Assumptions Used [Table Text Block] |
Discount rate used in determining present values |  |  | 1.8 | %
Annual increase in future compensation levels |  |  | 2.0 | %
Discount rate used in determining present values |  |  | 1.8 | %
Annual increase in future compensation levels |  |  | 2.0 | %
Expected long-term rate of return on assets |  |  | 1.8 | %
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | December 31, |  | Fair value measurements |  |
|  | 2016 |  | Level 1 |  | Level 2 |  | Level 3
Equity type investments |  | $ | 2,693 |  |  | $ | 2,693 |  |  | $ | - |  |  | $ | - |
Fixed interest type investments Government bonds |  |  | 30,117 |  |  |  | 30,117 |  |  |  | - |  |  |  |  |
Cash |  |  | 83 |  |  |  | 83 |  |  |  | - |  |  |  | - |
Other |  |  | 122 |  |  |  | - |  |  |  | - |  |  |  | 122 |
Total |  | $ | 33,016 |  |  | $ | 32,894 |  |  | $ | - |  |  | $ | 122 |
Schedule of Expected Benefit Payments [Table Text Block] |
Year ending December 31 |  |
2017 |  |  | $ | 464 |
2018 |  |  |  | 546 |
2019 |  |  |  | 617 |
2020 |  |  |  | 644 |
2021 |  |  |  | 687 |
2022 - 2026 |  |  |  | 4,375 |

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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=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + 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 (c) -URI http://asc.fasb.org/extlink&oid=65897934&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=65897934&loc=d3e1928-114920 + Details
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- Definition 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. + 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 (k) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + 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 (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition 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. + 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 (f) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition 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) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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