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Note 5 - Property and Equipment (Tables)
12 Months Ended
Jun. 30, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
June 30,
 
   
2015
   
2014
 
                 
Land and building
  $ 1,250     $ 1,250  
Leasehold improvements
    1,159       1,135  
Machinery and equipment
    5,362       5,096  
Transportation equipment
    16       63  
      7,787       7,544  
Less: Accumulated depreciation
and amortization
    (6,414 )     (6,305 )
Total
  $ 1,373     $ 1,239