Note 10 - Income Taxes (Details) - Open income tax years	12 Months Ended
	Jun. 30, 2013
United States [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2010
United States [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
Canada [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2009
Canada [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
Ireland [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2010
Ireland [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
Portugal [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2010
Portugal [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013
United Kingdom [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2012
United Kingdom [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Open Tax Year	2013