Note 6 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Gross value	$ 112,736
Accumulated Currency Translation Adjustment	(3,131)
Accumulated Amortization	(24,584)
Net book value	$ 85,021	$ 91,157
Useful life (Year)	13 years
Developed Technology Rights [Member]
Gross value	$ 89,580
Accumulated Currency Translation Adjustment	(1,562)
Accumulated Amortization	(16,435)
Net book value	$ 71,583	75,899
Useful life (Year)	15 years
In Process Research and Development [Member]
Gross value	$ 3,256
Accumulated Currency Translation Adjustment	(969)
Accumulated Amortization	0
Net book value	2,287	2,587
Customer Relationships [Member]
Gross value	9,000
Accumulated Currency Translation Adjustment	0
Accumulated Amortization	(1,502)
Net book value	$ 7,498	8,173
Useful life (Year)	10 years
Distribution Rights [Member]
Gross value	$ 4,700
Accumulated Currency Translation Adjustment	(415)
Accumulated Amortization	(4,285)
Net book value	$ 0	0
Useful life (Year)	5 years
Patents [Member]
Gross value	$ 1,000
Accumulated Currency Translation Adjustment	(185)
Accumulated Amortization	(620)
Net book value	$ 195	259
Useful life (Year)	16 years
Trade Names [Member]
Gross value	$ 5,200
Accumulated Currency Translation Adjustment	0
Accumulated Amortization	(1,742)
Net book value	$ 3,458	$ 4,239
Useful life (Year)	5 years

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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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- 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/disclosureRef
-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

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
-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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-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

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