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SCHEDULE OF OPTION ACTIVITY (Details) - USD ($) | 9 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Options outstanding, Beginning balance | 1,698,000 | 1,698,000
Weighted Average Exercise Price Per Share, Outstanding Beginning balance | $ 2.58 | $ 2.58
Shares, Options, Exercised | (44,000) |
Weighted Average Exercise Price Per Share, Exercised | $ 2.58 |
Shares, Options outstanding and Exercisable | 1,654,000 | 1,698,000
Weighted Average Exercise Price Per Share, Outstanding and Exercisable | $ 2.58 | $ 2.58
Aggregate Intrinsic Value, Outstanding and Exercisable | $ 3,051,630 | $ 348,000
Aggregate Intrinsic Value, Outstanding and Exercisable | 3,051,630 | $ 348,000
Weighted Average Exercise Price Per Share, Outstanding Ending balance |  |
2003 Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Options outstanding, Beginning balance |  | 400
Weighted Average Exercise Price Per Share, Outstanding Beginning balance |  | $ 17.00
Shares, Options, Granted |  |
Weighted Average Exercise Price Per Share, Granted |  |
Shares, Options, Exercised |  |
Weighted Average Exercise Price Per Share, Exercised |  |
Shares, Options, Forfeited/Expired |  | (400)
Weighted Average Exercise Price Per Share, Forfeited/Expired |  | $ 17.00
Shares, Options outstanding and Exercisable |  |
Weighted Average Exercise Price Per Share, Outstanding and Exercisable |  | $ 0
Aggregate Intrinsic Value, Outstanding and Exercisable | 3,138,347 | $ 0
Shares, Options outstanding, Ending balance |  |
Weighted Average Exercise Price Per Share, Outstanding Ending balance |  |
Aggregate Intrinsic Value, Outstanding Ending balance |  |
Shares, Options outstanding, Exercisable |  |
Weighted Average Exercise Price Per Share, Exercisable |  |
Aggregate Intrinsic Value, Exercisable |  |
Aggregate Intrinsic Value, Outstanding and Exercisable | $ 3,138,347 | $ 0
Weighted Average Exercise Price Per Share, Outstanding Ending balance |  |
Weighted Average Exercise Price Per Share, Exercisable |  |
2010 Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Options outstanding, Beginning balance | 1,907,534 | 1,998,668
Weighted Average Exercise Price Per Share, Outstanding Beginning balance | $ 2.82 | $ 2.80
Shares, Options, Exercised | (37,500) | (51,100)
Weighted Average Exercise Price Per Share, Exercised | $ 2.40 | $ 2.39
Shares, Options, Forfeited/Expired | (10,400) | (20,534)
Weighted Average Exercise Price Per Share, Forfeited/Expired | $ 4.57 | $ 1.72
Shares, Options outstanding and Exercisable | 1,859,634 |
Weighted Average Exercise Price Per Share, Outstanding and Exercisable | $ 2.82 |
Shares, Options outstanding, Ending balance |  | 1,927,034
Weighted Average Exercise Price Per Share, Outstanding Ending balance |  | $ 2.82
Aggregate Intrinsic Value, Outstanding Ending balance |  | $ 731,670
Shares, Options outstanding, Exercisable |  | 1,772,034
Weighted Average Exercise Price Per Share, Exercisable |  | $ 2.84
Aggregate Intrinsic Value, Exercisable |  | $ 630,120
Weighted Average Exercise Price Per Share, Outstanding Ending balance |  | $ 2.82
Weighted Average Exercise Price Per Share, Exercisable |  | $ 2.84
2018 Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares, Options outstanding, Beginning balance | 4,346,661 | 3,935,000
Weighted Average Exercise Price Per Share, Outstanding Beginning balance | $ 3.69 | $ 3.74
Shares, Options, Granted | 4,370,000 | 800,000
Weighted Average Exercise Price Per Share, Granted | $ 3.79 | $ 3.85
Shares, Options, Exercised | (33,888) |
Weighted Average Exercise Price Per Share, Exercised | $ 3.81 |
Shares, Options, Forfeited/Expired | (1,392,781) | (258,376)
Weighted Average Exercise Price Per Share, Forfeited/Expired | $ 3.70 | $ 3.86
Shares, Options outstanding, Ending balance | 7,289,992 | 4,476,624
Weighted Average Exercise Price Per Share, Outstanding Ending balance | $ 3.74 | $ 3.76
Aggregate Intrinsic Value, Outstanding Ending balance | $ 5,164,696 | $ 0
Shares, Options outstanding, Exercisable | 2,914,586 | 2,403,014
Weighted Average Exercise Price Per Share, Exercisable | $ 3.64 | $ 3.76
Aggregate Intrinsic Value, Exercisable | $ 2,328,335 | $ 0
Weighted Average Exercise Price Per Share, Outstanding Ending balance | $ 3.74 | $ 3.76
Weighted Average Exercise Price Per Share, Exercisable | $ 3.64 | $ 3.76

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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + 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)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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