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Note 7 - Intangible Assets (Details) - USD ($)
 3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Disclosure Text Block [Abstract]    
Amortization of Intangible Assets $ 0.7 $ 700,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2,400,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Two 3,100,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Three 2,900,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Four 2,700,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Five 2,300,000  
Finite-Lived Intangible Assets, Amortization Expense, after Year Five $ 8,300,000