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SCHEDULE OF HIERARCHY OF FINANCIAL ASSETS (Details) - USD ($) $ in Thousands | Oct. 31, 2022 | Oct. 31, 2021
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Money market funds: Cash and cash equivalents | $ 11,175 | $ 28,949
Certificates of deposit: Short-term investments | 1,000 |
Certificates of deposit: Short-term investments | 13,700 | 2,000
Treasury bills and bonds: Short-term investments | 3,627 | 4,599
Total financial assets | 29,502 | 35,548
Fair Value, Inputs, Level 1 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Money market funds: Cash and cash equivalents | 11,175 | 28,949
Certificates of deposit: Short-term investments |  |
Treasury bills and bonds: Short-term investments |  |
Total financial assets | 11,175 | 28,949
Fair Value, Inputs, Level 2 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Money market funds: Cash and cash equivalents |  |
Certificates of deposit: Short-term investments | 1,000 |
Certificates of deposit: Short-term investments | 13,700 | 2,000
Treasury bills and bonds: Short-term investments | 3,627 | 4,599
Total financial assets | 18,327 | 6,599
Fair Value, Inputs, Level 3 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Money market funds: Cash and cash equivalents |  |
Certificates of deposit: Short-term investments |  |
Treasury bills and bonds: Short-term investments |  |
Total financial assets |  |

X
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