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Note 17 - Restructuring (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2018
Restructuring Costs	$ 3,004	$ 394
Minimum [Member] | Scenario, Forecast [Member]
Restructuring Costs			$ 5,000
Maximum [Member] | Scenario, Forecast [Member]
Restructuring Costs			$ 6,000
Severance and Non-cash Lease Impairment Costs [Member]
Restructuring Costs	$ 3,000	$ 400

X

- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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