Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical)

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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