Note 8 - Income Taxes (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	43.40%	39.40%	44.40%	47.20%
Other Tax Expense (Benefit)	$ (33,000)		$ (108,000)
Her Majesty's Revenue and Customs (HMRC) [Member]
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount				278,000