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Note 10 - Derivative Financial Instruments (Details) - Foreign Currency Exchange Contracts (USD $) | Dec. 31, 2014 | Jun. 30, 2014
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Euro Member Countries, Euro |  |
Note 10 - Derivative Financial Instruments (Details) - Foreign Currency Exchange Contracts [Line Items] |  |
Derivative Notional Amount | $ 19,779,460 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR | $ 24,289,064 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_EUR
United Kingdom, Pounds |  |
Note 10 - Derivative Financial Instruments (Details) - Foreign Currency Exchange Contracts [Line Items] |  |
Derivative Notional Amount | 1,290,646 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP | 3,600,000 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_GBP
Canada, Dollars |  |
Note 10 - Derivative Financial Instruments (Details) - Foreign Currency Exchange Contracts [Line Items] |  |
Derivative Notional Amount |  | $ 3,975,192 invest_DerivativeNotionalAmount / us-gaap_CurrencyAxis = currency_CAD

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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