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Note 20 - Financial Instruments - Change in Fair Value of Contingent Consideration Liability (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Fair value adjustments (note 5) | $ (591) | $ (1,421) | $ (19,785)
Balance | 32,266 |  |
Less: current portion | 4,884 | 1,552 |
Non-current portion | 27,382 | 27,567 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Balance | 29,119 |  |
Amounts recognized on acquisitions | 12,056 |  |
Fair value adjustments (note 5) | (4,591) |  |
Resolved and settled in cash | (1,434) |  |
Other | (2,884) |  |
Balance | 32,266 | $ 29,119 |
Less: current portion | 4,884 |  |
Non-current portion | $ 27,382 |  |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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