Note 10 - Income Taxes (Details) - Open Income Tax Years	12 Months Ended
	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