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Note 10 - Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2016
Notes Tables |
Schedule of Goodwill [Table Text Block] |
|  | Six Months Ended June 30, |  | Twelve Months Ended December 31,
|  | 2016 |  | 2015
Balance, beginning |  | $ | 7,482 |  |  | $ | 8,339 |
Effect of foreign currency adjustments |  |  | 86 |  |  |  | (857 | )
Balance, ending |  | $ | 7,568 |  |  | $ | 7,482 |

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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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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration