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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2021 | Jul. 31, 2020
Statement of Stockholders' Equity [Abstract] |  |  |
Expenses of the at-the-market offering | $ 155,776 | $ 340,775 | $ 314,072
Expenses of the public offering |  | $ 2,208,150 |

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- Definition Expenses of the at-the-market offering. + References No definition available. + Details
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- References No definition available. + Details
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