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Note 8 - Warranties (Tables)
6 Months Ended
Dec. 31, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
   

December 31,

2014

   

June 30,

2014

 

Balance at beginning of year

  $ 6,941     $ 6,782  

Acquisitions

    -       274  

Warranty expense

    2,937       3,937  

Warranty claims

    (2,560 )     (4,052 )

Balance at end of period

  $ 7,318     $ 6,941