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Note 17 - Segment Reporting - Expenditures for Additions to Long-lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Expenditures for additions to long-lived assets	$ 32,635	$ 33,616	$ 44,362
UNITED STATES
Expenditures for additions to long-lived assets	20,370	21,190	32,560
Europe [Member]
Expenditures for additions to long-lived assets	11,704	5,954	10,396
JAPAN
Expenditures for additions to long-lived assets	$ 561	$ 6,472	$ 1,406

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

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- Details

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