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Note 10 - Income Taxes (Details) - Open Income Tax Years | 12 Months Ended
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Jun. 30, 2014
Earliest Tax Year [Member] | Internal Revenue Service (IRS) [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2011
Earliest Tax Year [Member] | Canada Revenue Agency [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2010
Earliest Tax Year [Member] | Federal Ministry of Finance, Germany [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2010
Earliest Tax Year [Member] | Revenue Commissioners, Ireland [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2011
Earliest Tax Year [Member] | Portuguese Tax Authority [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2010
Earliest Tax Year [Member] | Her Majesty's Revenue and Customs (HMRC) [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2013
Latest Tax Year [Member] | Internal Revenue Service (IRS) [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014
Latest Tax Year [Member] | Canada Revenue Agency [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014
Latest Tax Year [Member] | Federal Ministry of Finance, Germany [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014
Latest Tax Year [Member] | Revenue Commissioners, Ireland [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014
Latest Tax Year [Member] | Portuguese Tax Authority [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014
Latest Tax Year [Member] | Her Majesty's Revenue and Customs (HMRC) [Member] |
Income Tax Examination [Line Items] |
Open Tax Years | 2014

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- Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_OpenTaxYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration