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Stockholders' Equity and Warrant Liabilities (Tables)
9 Months Ended
Jul. 31, 2022
Stockholders' Equity and Warrant Liabilities  
Schedule of Warrant Activity

The following table summarizes outstanding warrant activity during the nine months ended July 31, 2022:

    

Series C Warrants

    

Balance as of October 31, 2021

950,102

Warrants issued

Warrants exercised

Warrants expired

(950,102)

Balance as of July 31, 2022