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Note 10 - Income Taxes (Details) - Open Income Tax Years	12 Months Ended
	Jun. 30, 2015
Internal Revenue Service (IRS) [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Internal Revenue Service (IRS) [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015
Canada Revenue Agency [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Canada Revenue Agency [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015
Federal Ministry of Finance, Germany [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Federal Ministry of Finance, Germany [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015
Revenue Commissioners, Ireland [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Revenue Commissioners, Ireland [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015
Portuguese Tax Authority [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Portuguese Tax Authority [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015
Her Majesty's Revenue and Customs (HMRC) [Member] | Earliest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
Her Majesty's Revenue and Customs (HMRC) [Member] | Latest Tax Year [Member]
Income Tax Examination [Line Items]
Open Tax Year	2015

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- 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

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Balance Type:	na
Period Type:	duration

X

- Details

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X

- Details

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Period Type:

X

- Details

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X

- Details

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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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X

- Details

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