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Note 8 - Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2014
Disclosure Text Block Supplement [Abstract] |
Schedule of Goodwill [Table Text Block] |
Balance at January 1, 2012 |  | $ | 54,050 |
Additional goodwill related to acquisitions |  |  | 360 |
Goodwill adjustments |  |  | 410 |
Balance at December 31, 2013 and 2014 |  | $ | 54,820 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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