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BUSINESS AND FUNDING (Details Narrative) - USD ($) |  | 9 Months Ended
--- | --- | ---
Mar. 25, 2021 | Jul. 31, 2021 | Jul. 31, 2020
Entity Listings [Line Items] |  |  |
Proceeds from issuance common stock |  | $ 11,174,490 | $ 8,180,112
At-the-Market Equity Program [Member] |  |  |
Entity Listings [Line Items] |  |  |
Proceeds from issuance common stock |  | $ 10,834,000 |
Sale of shares of common stock |  | 2,806,410 |
Public Offering [Member] |  |  |
Entity Listings [Line Items] |  |  |
Ownership percentage | 15.80% |  |
Proceeds from issuance common stock | $ 20,292,000 | $ 20,292,000 |
Sale of shares of common stock | 4,285,715 | 4,285,715 |
Wistar Institute [Member] |  |  |
Entity Listings [Line Items] |  |  |
Ownership percentage |  | 5.00% |

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