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Note 9 - Employee Benefits (Tables) | 12 Months Ended
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Oct. 31, 2021
Notes Tables |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
Nonvested shares |  | Shares |  |  | Weighted-average grant date fair value |
Balance at October 31, 2020 |  |  | 185,098 |  |  | $ | 2.52 |
Granted |  |  | 363,365 |  |  |  | 3.50 |
Vested |  |  | (62,004 | ) |  |  | 2.51 |
Forfeited |  |  | (2,975 | ) |  |  | 3.18 |
Balance at October 31, 2021 |  |  | 483,484 |  |  | $ | 3.25 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration