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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Nov. 03, 2021 | Jun. 01, 2021 $ / shares shares | Oct. 30, 2020 | May 08, 2018 $ / shares shares | Oct. 31, 2018 Days $ / shares shares | Oct. 31, 2022 USD ($) $ / shares shares | Oct. 31, 2021 USD ($) $ / shares shares
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Revenue recognized percentage |  |  |  |  |  | 100.00% |
Certificates of deposit fair value | $ |  |  |  |  |  | $ 17,327 | $ 6,599
Unrecognized tax benefits | $ |  |  |  |  |  | $ 5,141,000 |
Net amount at risk by product and guarantee, weighted average period remaining |  |  |  |  |  | 1 year |
Weighted average exercise price | $ / shares |  |  |  |  |  | $ 2.58 | $ 2.58
Share-based compensation, expected term |  |  |  |  |  | 5 years 9 months 3 days | 5 years 7 months 28 days
Share-based compensation, expected volatility rate |  |  |  |  |  | 102.72% | 109.02%
Share-based compensation, risk free interest rate |  |  |  |  |  | 1.99% | 0.69%
Warrant [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Vesting period | 5 months |  | 5 months |  |  |  |
Antidilutive securities excluded from the calculation of Diluted EPS | shares |  |  |  |  |  | 300,000 | 860,000
Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Stock or unit option plan expense | $ |  |  |  |  |  | $ 2,537,000 |
Unrecognized tax benefits | $ |  |  |  |  |  | $ 0 | $ 3,972,000
2018 Plan [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  |  |  |  |  | $ 3.15 | $ 3.81
Share-based compensation, options, grants in period, gross | shares |  |  |  |  |  | 1,430,000 | 4,490,000
Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Common stock issued market condition stock options to purchase, shares | shares |  |  |  |  | 500,000 |  |
Weighted average exercise price | $ / shares |  |  |  |  | $ 5.00 |  |
Debt threshold consecutive trading days | Days |  |  |  |  | 20 |  |
Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Antidilutive securities excluded from the calculation of Diluted EPS | shares |  |  |  |  |  | 10,318,872 | 10,770,626
Equity Option [Member] | 2018 Plan [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Share-based compensation, options, grants in period, gross | shares |  | 100,000 |  |  |  |  |
Minimum [Member] | Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Expiration period |  |  |  |  |  | 5 years |
Vesting period |  |  |  |  |  |  | 12 months
Minimum [Member] | Equity Option [Member] | 2018 Plan [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  | $ 5.00 |  |  |  |  |
Maximum [Member] | Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Expiration period |  |  |  |  |  | 10 years |
Vesting period |  |  |  |  |  |  | 36 months
Maximum [Member] | Equity Option [Member] | 2018 Plan [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  | $ 8.00 |  |  |  |  |
Share-based compensation, options, grants in period, gross | shares |  | 2,000,000 |  |  |  |  |
Employees and Directors [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense | $ |  |  |  |  |  | $ 3,463,000 | $ 3,531,000
Stock or unit option plan expense | $ |  |  |  |  |  | $ 2,788,000 | 1,841,000
Chairman, President and Chief Executive Officer [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Common stock issued market condition stock options to purchase, shares | shares |  |  |  | 1,500,000 |  |  |
Share-based compensation, expiration date |  |  |  | May 31, 2021 |  |  |
Share-based compensation, risk free interest rate |  | 1.62% |  |  |  |  |
Chairman, President and Chief Executive Officer [Member] | Market Conditions Stock Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  | $ 4.02 |  |  |  |  |
Share-based compensation, exercise price | $ / shares |  |  |  | $ 3.70 |  |  |
Share-based compensation, expected term |  | 10 years |  | 10 years |  |  |
Share-based compensation, expected volatility rate |  | 75.00% |  | 119.60% |  |  |
Share-based compensation, risk free interest rate |  |  |  | 2.97% |  |  |
Chairman, President and Chief Executive Officer [Member] | Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Share-based compensation, expiration date |  |  |  | May 31, 2021 |  |  |
Share-based compensation, expected term |  |  |  | 3 years 21 days |  |  |
Share-based compensation, expected volatility rate |  |  |  | 128.80% |  |  |
Share-based compensation, risk free interest rate |  |  |  | 2.66% |  |  |
Share-based compensation, options, grants in period, gross | shares |  |  |  |  |  | 25,000 |
Number of shares issued | shares |  |  |  | 1,500,000 |  |  |
Share-based compensation arrangement share weighted average price of shares purchased | $ / shares |  |  |  | $ 11.00 |  |  |
Chairman, President and Chief Executive Officer [Member] | Minimum [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  |  |  | $ 5.00 |  |  |
Share-based compensation, award requisite service period |  |  |  | 3 months |  |  |
Chairman, President and Chief Executive Officer [Member] | Maximum [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Weighted average exercise price | $ / shares |  |  |  | $ 8.00 |  |  |
Share-based compensation, award requisite service period |  |  |  | 7 months |  |  |
Chairman, President and Chief Executive Officer [Member] | Maximum [Member] | Equity Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Share-based compensation, options, grants in period, gross | shares |  |  |  |  |  | 500,000 |
Consultants [Member] | Warrant [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Stock or unit option plan expense | $ |  |  |  |  |  | $ 221,000 | 96,000
Consultants [Member] | Service based and Performance-based Stock Options [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Stock or unit option plan expense | $ |  |  |  |  |  | 434,000 | 460,000
Unrecognized compensation cost | $ |  |  |  |  |  | $ 466,000 |
Weighted-average period recognition |  |  |  |  |  | 1 year 2 months 12 days |
Consultants [Member] | Non-vested Stock Option [Member] |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Stock or unit option plan expense | $ |  |  |  |  |  | $ 434,000 | $ 103,000

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