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Allowance For Doubtful Accounts For Trade Accounts Receivable (Tables) | 12 Months Ended
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Oct. 31, 2013
Allowance For Doubtful Accounts For Trade Accounts Receivable [Abstract] |
Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable | A summary of changes in the allowance for doubtful accounts for trade accounts receivable for the years ended October 31, 2013, 2012 and 2011 follows:
| Years ended October 31,
| 2013 |  | 2012 |  | 2011
Balance at beginning of year | $ | 92,148 |  |  | $ | 145,616 |  |  | $ | 120,450 |
Bad debt expense (recovery) | 20,461 |  |  | (10,327 | ) |  | 40,231 |
Losses charged to allowance | (38,922 | ) |  | (43,141 | ) |  | (15,065 | )
Recoveries added to allowance | 386 |  |  | — |  |  | — |
Balance at end of year | $ | 74,073 |  |  | $ | 92,148 |  |  | $ | 145,616 |

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- Definition Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable [Table Text Block] + References No definition available. + Details
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