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Note 4 - Inventories
12 Months Ended
Jul. 28, 2012
Inventory Disclosure [Text Block]
4.           INVENTORIES

Inventories consist of the following:

   
JULY 28,
2012
   
JULY 30,
2011
 
Raw materials and purchased parts
  $ 1,957     $ 2,214  
Work-in-process
    587       457  
Finished goods
    232       212  
      2,776       2,883  
Less: allowance for excess and obsolete inventories
    (1,056 )     (1,175 )
Total inventories net
  $ 1,720     $ 1,708  

The activity in the allowance for excess and obsolete inventories accounts is as follows:

   
BALANCE
AT
BEGINNING
OF YEAR
   
CHARGED
TO COSTS
AND
EXPENSE
   
DEDUCTIONS
(1)
   
BALANCE
AT END OF
YEAR
 
YEAR ENDED JULY 28, 2012
                       
Allowance for excess and obsolete inventories
  $ 1,175     $ -     $ 119     $ 1,056  
YEAR ENDED JULY 30, 2011
                               
Allowance for excess and obsolete inventories
  $ 697     $ 622     $ 144     $ 1,175  
YEAR ENDED JULY 31, 2010
                               
Allowance for excess and obsolete inventories
  $ 900     $ 144     $ 347     $ 697  

(1)
Write-off of inventories previously charged to costs and expenses.