Note 19 - Financial Instruments (Details) - Change in Fair Value of Contingent Consideration Liability (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Note 19 - Financial Instruments (Details) - Change in Fair Value of Contingent Consideration Liability [Line Items]
Fair value adjustments (note 5)	$ (20,064)
Balance, December 31, 2014	27,136
Less: current portion	10,971	122
Non-current portion	16,165	8,618
Fair Value, Inputs, Level 3 [Member]
Note 19 - Financial Instruments (Details) - Change in Fair Value of Contingent Consideration Liability [Line Items]
Balance, December 31, 2013	8,740
Amounts recognized on acquisitions	17,838
Fair value adjustments (note 5)	2,371
Resolved and settled in cash	(238)
Other	(1,575)
Balance, December 31, 2014	27,136
Less: current portion	10,971
Non-current portion	$ 16,165

The amount recognized on acquisitions.

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- Definition

Represents the business combination contingent consideration arrangements classified as other.

+ References

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Represents the business combinations resolved and settled in cash.

+ References

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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)

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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