Note 9 - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Sep. 30, 2016
Developed Technology Rights [Member]
Gross Value		$ 17,100
Accumulated Currency Translation Adjustment		(2,985)
Accumulated Amortization		(6,598)
Intangible assets, net	$ 7,959	7,517
Useful Life	15 years
In Process Research and Development [Member]
Gross Value		4,406
Accumulated Currency Translation Adjustment		(1,235)
Intangible assets, net	$ 3,099	3,171
Distribution Rights [Member]
Gross Value		4,700
Accumulated Currency Translation Adjustment		(415)
Accumulated Amortization		(4,285)
Useful Life	5 years
Patents [Member]
Gross Value		1,000
Accumulated Currency Translation Adjustment		(179)
Accumulated Amortization		(369)
Intangible assets, net	$ 473	452
Useful Life	16 years
Elevess Trade Name [Member]
Gross Value		1,000
Accumulated Amortization		(969)
Intangible assets, net	$ 125	31
Useful Life	9 years
Gross Value		28,206
Accumulated Currency Translation Adjustment		(4,814)
Accumulated Amortization		(12,221)
Intangible assets, net	$ 11,656	$ 11,171

Represents the amount of the accumulated currency translation adjustment.

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Details

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- Details

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- Details

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- Details

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Data Type:	na
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- Details

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