Note 20 - Weighted-average Assumptions Used to Determine Benefit Obligation Amounts (Details)	Dec. 31, 2019	Dec. 31, 2018
U.S. [Member]
Weighted Average Assumptions Used To Determine Benefit Obligation Amounts [Line Items]
Discount rate	2.97%	4.04%
Salary increase rate	3.50%	3.50%
Non-US [Member]
Weighted Average Assumptions Used To Determine Benefit Obligation Amounts [Line Items]
Discount rate	1.44%	2.05%
Salary increase rate	1.72%	2.06%

Weighted average assumptions used to determine benefit obligation amounts.

No definition available.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Details

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