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Note 5 - Fair Value of Financial Instruments (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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Estimate of Fair Value Measurement [Member] |  |
Note 5 - Fair Value of Financial Instruments (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Hedge derivative assets | $ (221) | $ 524
Fair Value, Inputs, Level 2 [Member] |  |
Note 5 - Fair Value of Financial Instruments (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |
Hedge derivative assets | $ (221) | $ 524

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- Definition Aggregate net fair value of all derivative instruments designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 + Details
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