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Note 16 - Commitments and Contingencies (Tables)
12 Months Ended
Jun. 30, 2016
Notes Tables  
Operating Leases of Lessee Disclosure [Table Text Block]
    Future minimum  
Years ending   lease payments  
June 30,   (in thousands)  
2017     $ 689    
2018       720    
2019       121    
        $ 1,530