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Note 8 - Fair Value of Derivative Instruments in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Accounts Payable and Accrued Liabilities [Member] | Designated as Hedging Instrument [Member] |  |
Interest Rate Swap Contract | $ 877 | $ 1,194
Other Noncurrent Liabilities [Member] | Designated as Hedging Instrument [Member] |  |
Interest Rate Swap Contract |  | 556
Interest Rate Swap Contract | $ 877 | $ 1,750

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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + 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=49121117&loc=d3e13433-108611 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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Data Type: | na
Balance Type: |
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- Details
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