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4. ACCOUNTS RECEIVABLE
12 Months Ended
Oct. 31, 2012
Receivables [Abstract]  
4. ACCOUNTS RECEIVABLE

4. ACCOUNTS RECEIVABLE

 

The activity in the allowance for doubtful accounts for the years ended October 31, 2012 and 2011 is as follows:

 

    2012     2011  
Balance, beginning of year   $ 543,528     $ 493,610  
Provision     163,007       354,624  
Write-offs     (259,233 )     (304,706 )
Balance, end of year   $ 447,302     $ 543,528