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Note 6 - Financial Instruments and Fair Value (Details) - Fair Values of Derivative Instruments (Other Liabilities [Member], USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
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Other Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Interest Rate Swaps | $ 1,389 | $ 1,915

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- Definition Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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