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Note 7 - Stock-based Compensation and Equity Transactions (Tables) | 3 Months Ended
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Jan. 31, 2024
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2024 |  |  | 2023 |
Risk-free interest rate |  |  | 4.00 | % |  |  | 3.76 | %
Dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
Expected life of the option (in years) |  |  | 7.01 |  |  |  | 7.00 |
Volatility factor |  |  | 53.32 | % |  |  | 54.30 | %
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  | Shares |  |  | Exercise Price |
Outstanding at November 1, 2023 |  |  | 754,186 |  |  | $ | 6.04 |
Options granted |  |  | 220,001 |  |  | $ | 3.01 |
Options exercised |  |  | - |  |  | $ | - |
Options cancelled |  |  | - |  |  | $ | - |
Options outstanding at January 31, 2024 |  |  | 974,187 |  |  | $ | 5.24 |
Options exercisable at January 31, 2024 |  |  | 540,259 |  |  | $ | 6.14 |
Options vested and expected to vest at January 31, 2024 |  |  | 968,720 |  |  | $ | 5.25 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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