Note 18 - Income Taxes (Details) - Foreign Subsidiaries Income Tax Years Open to Examination (Maximum [Member])	12 Months Ended
	Dec. 31, 2013
ISRAEL
Income Tax Examination [Line Items]
Income tax examination, years open for examination	2013
KENYA
Income Tax Examination [Line Items]
Income tax examination, years open for examination	2013
GUATEMALA
Income Tax Examination [Line Items]
Income tax examination, years open for examination	2013
PHILIPPINES
Income Tax Examination [Line Items]
Income tax examination, years open for examination	2013
NEW ZEALAND
Income Tax Examination [Line Items]
Income tax examination, years open for examination	2013