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Note 14 - Financial Derivatives (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Positive Fair Value Member |  |
Note 14 - Financial Derivatives (Details) [Line Items] |  |
Notional Amount Of Option Contract | $ 1,200,000 | $ 200,000
Open Option Contracts Written, at Fair Value | 1,000 | 83
Sum of Spot and Forward Contract Notional Amount | 270,700,000 | 267,600,000
Increase Decrease in Fair Value | 5,100,000 | 6,200,000
Negative Fair Value Member |  |
Note 14 - Financial Derivatives (Details) [Line Items] |  |
Sum of Spot and Forward Contract Notional Amount | 227,700,000 | 236,300,000
Increase Decrease in Fair Value | $ (3,300,000) | $ (6,100,000)

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- Details
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- Definition Notional Amount Of Option Contract + References No definition available. + Details
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- Definition Sum of Spot and Forward Contract Notional Amount + References No definition available. + Details
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- Definition The fair value of the open option contracts written for the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B.4,Column E) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611197-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12B -Paragraph 4 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12B -Paragraph Column E -Article 12 + Details
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