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Note 8 - Warranties (Tables)
3 Months Ended
Sep. 30, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
   

September 30,
2014

   

June 30,
2014

 

Balance at beginning of year

  $ 6,941     $ 6,782  

Acquisitions

    -       274  

Warranty expense

    1,525       3,937  

Warranty claims

    (1,360 )     (4,052 )

Balance at end of period

  $ 7,106     $ 6,941