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Note 8 - Derivative Financial Instrument (Details) - Jun. 30, 2015 - Interest Rate Swap [Member] - USD ($) $ in Millions	Total
Note 8 - Derivative Financial Instrument (Details) [Line Items]
Derivative Liability, Notional Amount	$ 25.0
Derivative, Maturity Date	Jun. 15, 2016
Derivative, Fixed Interest Rate	5.587%
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 1.0
London Interbank Offered Rate (LIBOR) [Member]
Note 8 - Derivative Financial Instrument (Details) [Line Items]
Derivative, Variable Interest Rate	0.19%

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 30



-Section 50



-Paragraph 1



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Fixed interest rate related to the interest rate derivative.

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Nominal or face amount used to calculate payments on the derivative liability.

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-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



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-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959



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-Glossary Notional Amount



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Date the derivative contract matures, in CCYY-MM-DD format.

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Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

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