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Note 8 - Stock Options (Tables) | 12 Months Ended
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Oct. 31, 2024
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2024 |  |  | 2023 |
Weighted average volatility |  |  | 53.16 | % |  |  | 54.27 | %
Expected dividends |  |  | 0.00 | % |  |  | 0.00 | %
Expected term (in years) |  |  | 7.0 |  |  |  | 7.0 |
Risk-free interest rate |  |  | 4.00 | % |  |  | 3.78 | %
Weighted average fair value of options granted during the year |  | $ | 1.76 |  |  | $ | 3.15 |
Weighted average fair value of options vested during the year |  | $ | 2.88 |  |  | $ | 2.80 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | 2024 |  |  | 2023 |
|  | Shares or |  |  | Weighted |  |  | Shares or |  |  | Weighted |
|  | Price Per |  |  | Average |  |  | Price Per |  |  | Average |
|  | Share |  |  | Exercise Price |  |  | Share |  |  | Exercise Price |
Outstanding at beginning of year |  |  | 754,186 |  |  | $ | 6.04 |  |  |  | 691,005 |  |  | $ | 5.87 |
Options granted |  |  | 245,001 |  |  | $ | 3.01 |  |  |  | 168,181 |  |  | $ | 5.36 |
Options exercised |  |  | - |  |  | $ | - |  |  |  | (45,000 | ) |  | $ | 1.90 |
Options canceled or expired |  |  | (124,371 | ) |  | $ | 6.42 |  |  |  | (60,000 | ) |  | $ | 5.33 |
Options outstanding at end of year |  |  | 874,816 |  |  | $ | 5.10 |  |  |  | 754,186 |  |  | $ | 6.04 |
Options exercisable at end of year |  |  | 478,986 |  |  | $ | 5.95 |  |  |  | 479,588 |  |  | $ | 6.10 |
Options vested and expected to vest at end of year |  |  | 874,816 |  |  | $ | 5.10 |  |  |  | 748,358 |  |  | $ | 6.13 |
Option price range at end of year |  |  | $1.90 | - | $8.69 |  |  |  |  |  |  |  | $1.90 | - | $8.69 |  |  |  |  |
Aggregate intrinsic value of options exercised during year |  | $ | - |  |  |  |  |  |  | $ | 144,005 |  |  |  |  |

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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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