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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.

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