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ACCOUNTS RECEIVABLE
12 Months Ended
Jul. 31, 2011
Receivables [Abstract]  
ACCOUNTS RECEIVABLE
NOTE 3 – ACCOUNTS RECEIVABLE
 
     Accounts receivable are summarized as follows:
 
       2011 2010
 Billed $553,500  $493,563 
 Unbilled  101,652   83,740 
 Total  655,152   577,303 
 Less: allowance for doubtful accounts  (8,383)  (10,804)
        $     646,769      $     566,499 
           
     Unbilled receivables principally relate to revenues accrued for long-term contracts recorded under the percentage-of-completion method of accounting.