Note 5 - Goodwill and Other Intangibles - Components of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Gross carrying value	$ 75,188	$ 35,249
Accumulated amortization	12,023	10,356
Net carrying value	63,165	24,893
Product Technology and Intellectual Property [Member]
Gross carrying value	29,951	13,502
Accumulated amortization	6,457	5,722
Net carrying value	23,494	7,780
Trademarks, Tradenames and Licenses [Member]
Gross carrying value	4,000	1,807
Accumulated amortization	800	702
Net carrying value	3,200	1,105
Customer Relationships [Member]
Gross carrying value	39,470	18,215
Accumulated amortization	4,047	3,364
Net carrying value	35,423	14,851
Other Intangible Assets [Member]
Gross carrying value	1,767	1,725
Accumulated amortization	719	568
Net carrying value	$ 1,048	$ 1,157

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

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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Amount before 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 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
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-Name Accounting Standards Codification
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-Section 45
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