Note 6 - Summary of Acquired Amortizable Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Computer Software, Intangible Asset [Member] \| Minimum [Member]
Amortization Period	3 years
Computer Software, Intangible Asset [Member] \| Maximum [Member]
Amortization Period	7 years
Computer Software, Intangible Asset [Member]
Amortization Period		7 years
Gross Carrying Amount	$ 4,147	$ 1,332
Accumulated Amortization	(204)
Net Carrying Amount	$ 3,943	$ 1,332
Technology-Based Intangibles [Member] \| Minimum [Member]
Amortization Period		10 years
Technology-Based Intangibles [Member] \| Maximum [Member]
Amortization Period		20 years
Technology-Based Intangibles [Member]
Amortization Period	20 years
Gross Carrying Amount	$ 3,310	$ 8,228
Accumulated Amortization	(952)	(1,141)
Net Carrying Amount	$ 2,358	$ 7,087
Customer Contracts [Member] \| Minimum [Member]
Amortization Period	10 years	10 years
Customer Contracts [Member] \| Maximum [Member]
Amortization Period	15 years	15 years
Customer Contracts [Member]
Gross Carrying Amount	$ 642	$ 716
Accumulated Amortization	(252)	(233)
Net Carrying Amount	390	483
Gross Carrying Amount	8,099	10,276
Accumulated Amortization	(1,408)	(1,374)
Net Carrying Amount	$ 6,691	$ 8,902

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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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/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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- Definition

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

+ References

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- Definition

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

+ References

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