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Note 5 - Summary of Intangible Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Customer Relationships [Member]
Gross Carrying Amount	$ 1,378
Accumulated Amortization	(275)
Intangible Assets, Net	$ 1,103
Remaining Weighted-Average Amortization Period	8 years
Patents [Member]
Gross Carrying Amount	$ 1,162
Accumulated Amortization	(465)
Intangible Assets, Net	$ 697
Remaining Weighted-Average Amortization Period	3 years
Trademarks and Trade Names [Member]
Gross Carrying Amount	$ 1,132
Accumulated Amortization	(151)
Intangible Assets, Net	$ 981
Remaining Weighted-Average Amortization Period	13 years
Other Intangible Assets [Member]
Gross Carrying Amount	$ 295	[1]
Accumulated Amortization	(155)	[1]
Intangible Assets, Net	$ 140	[1]
Remaining Weighted-Average Amortization Period	2 years	[1]
Gross Carrying Amount	$ 3,967
Accumulated Amortization	(1,046)
Intangible Assets, Net	$ 2,921
Remaining Weighted-Average Amortization Period	8 years 73 days
[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=26713463&loc=d3e16323-109275

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X

- 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)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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X

- Definition

Amount after 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=26713463&loc=d3e16323-109275

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X

- Definition

Remaining amortization period 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.

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