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Note 7 - Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | Gross Carryin g |  |  | Accumulate d |  |  | Intangibl e |
|  | Amoun t |  |  | Amortizatio n |  |  | Assets, Ne t |
As of December 31, 201 7 |  |  |  |  |  |  |  |  |  |  |  |
Customer relationship s |  | $ | 1,378 |  |  | $ | (551 | ) |  | $ | 827 |
Patent s |  |  | 1,162 |  |  |  | (929 | ) |  |  | 233 |
Trade names and trademark s |  |  | 1,132 |  |  |  | (302 | ) |  |  | 830 |
Other (1 ) |  |  | 176 |  |  |  | (163 | ) |  |  | 13 |
Tota l |  | $ | 3,848 |  |  | $ | (1,945 | ) |  | $ | 1,903 |
As of December 31, 201 6 |  |  |  |  |  |  |  |  |  |  |  |
Customer relationship s |  | $ | 1,378 |  |  | $ | (413 | ) |  | $ | 965 |
Patent s |  |  | 1,162 |  |  |  | (697 | ) |  |  | 465 |
Trade names and trademark s |  |  | 1,132 |  |  |  | (226 | ) |  |  | 906 |
Other (1 ) |  |  | 295 |  |  |  | (233 | ) |  |  | 62 |
Tota l |  | $ | 3,967 |  |  | $ | (1,569 | ) |  | $ | 2,398 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Year ending December 31 , |  |  |  |
201 8 |  | $ | 459 |
201 9 |  |  | 213 |
202 0 |  |  | 213 |
202 1 |  |  | 213 |
202 2 |  |  | 213 |
Thereafte r |  |  | 592 |
|  | $ | 1,903 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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