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Note 6 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Gross Carrying Amount		$ 3,967	$ 3,967
Accumulated Amortization		(1,569)	(1,046)
Intangible Assets, Net		2,398	2,921
Customer Relationships [Member]
Gross Carrying Amount		1,378	1,378
Accumulated Amortization		(413)	(275)
Intangible Assets, Net		965	1,103
Patents [Member]
Gross Carrying Amount		1,162	1,162
Accumulated Amortization		(697)	(465)
Intangible Assets, Net		465	697
Trademarks and Trade Names [Member]
Gross Carrying Amount		1,132	1,132
Accumulated Amortization		(226)	(151)
Intangible Assets, Net		906	981
Other Intangible Assets [Member]
Gross Carrying Amount	[1]	295	295
Accumulated Amortization	[1]	(233)	(155)
Intangible Assets, Net	[1]	$ 62	$ 140
[1] Other intangibles consist of favorable lease contracts and non-compete agreements.

X

- 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

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- Definition

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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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