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Note 9 - Derivative Financial Instruments (Details) - Gain (loss) recognized in comprehensive income on derivative financial instruments (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012
Interest Rate Swap [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Interest rate swaps | $ (90) | $ (261)

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- Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration

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- Definition Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration