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Note 9 - Accumulated Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Jul. 28, 2012
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   
July 28 2012
   
July 30, 2011
 
Foreign currency translation adjustments
  $ 358     $ 2,596  
Unrealized losses on marketable securities
    (436 )     -  
    $ (78 )   $ 2,596