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Note 9 - Goodwill | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Goodwill Disclosure [Text Block] | 9. Goodwill The Company completed its annual impairment review as of November 30, 2017 and concluded that no impairment in the carrying value exists as of that date with respect to goodwill. Through December 31, 2017, there have not been any events or changes in circumstances that indicate that the carrying value of goodwill may not be recoverable. Changes in the carrying value of goodwill were as follows:
|  | December 31,
|  | 2017 |  | 2016
Balance, beginning |  | $ | 7,214 |  |  | $ | 7,482 |
Effect of foreign currency adjustments |  |  | 1,004 |  |  |  | (268 | )
Balance, ending |  | $ | 8,218 |  |  | $ | 7,214 |

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- Definition The entire disclosure for goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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