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Note 2 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Tables) | 12 Months Ended
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Oct. 31, 2019
Notes Tables |
Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable [Table Text Block] |
|  | Years ended October 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Balance at beginning of year |  | $ | 64,242 |  |  | $ | 87,446 |  |  | $ | 74,266 |
Bad debt expense (recovery) |  |  | 60,381 |  |  |  | (18,455 | ) |  |  | 21,569 |
Losses charged to allowance |  |  | (25,061 | ) |  |  | (4,749 | ) |  |  | (8,389 | )
Balance at end of year |  | $ | 99,562 |  |  | $ | 64,242 |  |  | $ | 87,446 |

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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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- References No definition available. + Details
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