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Note 14 - Foreign Revenues (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
European Union [Member] |  |
Foreign Countries: |  |
European Union | $ 128 | $ 51
Other Countries [Member] |  |
Foreign Countries: |  |
European Union | 4 | 15
Foreign [Member] |  |
Foreign Countries: |  |
European Union | 132 | 66
United States [Member] |  |
Foreign Countries: |  |
European Union | 4,650 | 4,121
European Union | $ 4,782 | $ 4,187

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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