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Note 5 - Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | 2016 |  |  | 2015 |
Trademarks and other intellectual property |  | $ | 15,276 |  |  | $ | 14,429 |
Less accumulated amortization |  |  | 13,555 |  |  |  | 12,691 |
Total, net |  | $ | 1,721 |  |  | $ | 1,738 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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