Note 8 - Intangible Assets (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Amortization of Intangible Assets	$ 678,000	$ 824,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months							691,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two						660,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three					639,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four				610,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five			567,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five			$ 3,109,000