Note 15 - Other Long-term Liabilities - Assumptions (Details)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Retirement Indemnity Plans, France [Member]
Discount rate	1.60%	2.20%	1.90%
Salary increase	2.50%	2.50%	2.50%
Retirement age	65	65	65
Average retirement remaining service period	24	24	24
Defined Benefit Retirement Indemnity Plans, Japan [Member]
Discount rate	0.60%	1.00%	1.00%
Salary increase	2.50%	2.00%	2.00%
Retirement age	60	60	60
Average retirement remaining service period	14	16	16

The average retirement remaining service period used to calculation for the time value of money for the plan.

No definition available.

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- Definition

The retirement age to calculate for the time value of money for the plan.

+ References

No definition available.

+ Details

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ 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)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

+ Details

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

+ Details

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- Details

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- Details

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