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SCHEDULE OF OUTSTANDING AND EXERCISABLE (Details) - $ / shares | 9 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Oct. 31, 2020 | Oct. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of Outstanding |  |  | 1,698,000 | 1,698,000
Weighted Average Exercise Price |  |  | $ 2.58 | $ 2.58
2010 Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of Outstanding |  | 1,927,034 | 1,907,534 | 1,998,668
Weighted Average Exercise Price |  | $ 2.82 | $ 2.82 | $ 2.80
Number Exercisable, Options Exercisable |  | 1,772,034 |  |
Weighted Average Exercise Price, Options Exercisable |  | $ 2.84 |  |
2010 Plan [Member] | Range 1 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower limit | $ 0.67 | 0.67 |  |
Range of Exercise Prices, Upper limit | $ 2.30 | $ 2.30 |  |
Number of Outstanding | 527,500 | 549,000 |  |
Weighted Average Remaining Contractual Life (in years) | 4 years 9 months 18 days | 5 years 8 months 12 days |  |
Weighted Average Exercise Price | $ 1.54 | $ 1.57 |  |
Number Exercisable, Options Exercisable |  | 494,000 |  |
Weighted Average Remaining Contractual Life (in years), Options Exercisable |  | 5 years 6 months 21 days |  |
Weighted Average Exercise Price, Options Exercisable |  | $ 1.64 |  |
2010 Plan [Member] | Range 2 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower limit | 2.58 | 2.58 |  |
Range of Exercise Prices, Upper limit | $ 3.13 | $ 3.13 |  |
Number of Outstanding | 818,000 | 846,000 |  |
Weighted Average Remaining Contractual Life (in years) | 2 years 7 months 24 days | 3 years 18 days |  |
Weighted Average Exercise Price | $ 2.80 | $ 2.79 |  |
Number Exercisable, Options Exercisable |  | 846,000 |  |
Weighted Average Remaining Contractual Life (in years), Options Exercisable |  | 3 years 4 months 28 days |  |
Weighted Average Exercise Price, Options Exercisable |  | $ 2.79 |  |
2010 Plan [Member] | Range 3 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower limit | 3.46 | 3.46 |  |
Range of Exercise Prices, Upper limit | $ 5.30 | $ 5.75 |  |
Number of Outstanding | 514,134 | 532,034 |  |
Weighted Average Remaining Contractual Life (in years) | 6 years 9 months | 7 years 5 months 12 days |  |
Weighted Average Exercise Price | $ 4.16 | $ 4.16 |  |
Number Exercisable, Options Exercisable |  | 432,034 |  |
Weighted Average Remaining Contractual Life (in years), Options Exercisable |  | 7 years 3 months 29 days |  |
Weighted Average Exercise Price, Options Exercisable |  | $ 4.33 |  |
2018 Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of Outstanding | 7,289,992 | 4,476,624 | 4,346,661 | 3,935,000
Weighted Average Exercise Price | $ 3.74 | $ 3.76 | $ 3.69 | $ 3.74
Number Exercisable, Options Exercisable | 2,914,586 | 2,403,014 |  |
Weighted Average Exercise Price, Options Exercisable | $ 3.64 | $ 3.76 |  |
2018 Plan [Member] | Range 1 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower limit | 2.09 |  |  |
Range of Exercise Prices, Upper limit | $ 3.70 |  |  |
Number of Outstanding | 2,975,000 | 3,100,000 |  |
Weighted Average Remaining Contractual Life (in years) | 7 years 10 months 24 days | 7 years 9 months 10 days |  |
Weighted Average Exercise Price | $ 3.28 | $ 3.70 |  |
Number Exercisable, Options Exercisable | 2,047,360 | 1,700,000 |  |
Weighted Average Remaining Contractual Life (in years), Options Exercisable | 7 years 3 months | 7 years 9 months 10 days |  |
Weighted Average Exercise Price, Options Exercisable | $ 3.49 | $ 3.70 |  |
Range of Exercise Prices |  | 3.70 |  |
2018 Plan [Member] | Range 2 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower limit | 3.84 | $ 3.84 |  |
Range of Exercise Prices, Upper limit | $ 5.30 | $ 4.61 |  |
Number of Outstanding | 4,314,992 | 1,376,624 |  |
Weighted Average Remaining Contractual Life (in years) | 8 years 11 months 12 days | 7 years 6 months 18 days |  |
Weighted Average Exercise Price | $ 4.06 | $ 3.89 |  |
Number Exercisable, Options Exercisable | 867,226 | 703,014 |  |
Weighted Average Remaining Contractual Life (in years), Options Exercisable | 7 years 3 months 29 days | 6 years 1 month 24 days |  |
Weighted Average Exercise Price, Options Exercisable | $ 3.99 | $ 3.90 |  |
Outside of Plans [Member] | Range 1 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted Average Remaining Contractual Life (in years) | 1 year 21 days | 2 years |  |
Weighted Average Exercise Price | $ 2.58 | $ 2.58 |  |
Range of Exercise Prices | 2.58 | 2.58 |  |
Number of Options Outstanding and Exercisable | 1,654,000 | 1,698,000 |  |

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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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