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Note 2 - Allowance for Doubtful Accounts
12 Months Ended
Nov. 30, 2012
Allowance for Credit Losses [Text Block]
(2)           Allowance for Doubtful Accounts

A summary of the Company’s activity in the allowance for doubtful accounts is as follows:

   
November 30, 2012
   
November 30, 2011
 
Balance, beginning
  $ 49,583     $ 114,834  
Provision charged to expense
    (7,654 )     (19,995 )
Less amounts charged-off
    (13,971 )     (45,256 )
Balance, ending
  $ 27,958     $ 49,583