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Note 2 - Allowance for Doubtful Accounts
12 Months Ended
Nov. 30, 2011
Receivables, Policy [Policy Text Block]
(2)           Allowance for Doubtful Accounts

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

   
2011
   
2010
 
Balance, beginning
  $ 114,834     $ 194,185  
Provision charged to expense
    (19,995 )     40,293  
Less amounts charged-off
    (45,256 )     (119,644 )
Balance, ending
  $ 49,583     $ 114,834