XML 32 R16.htm IDEA: XBRL DOCUMENT v3.22.2
Basis of Presentation and Significant Accounting Policies (Tables)
6 Months Ended
Apr. 30, 2022
Accounting Policies [Abstract]  
Restrictions on Cash and Cash Equivalents
          
  

April 30,

2022

  October 31, 2021
Cash  $4,661,495   $7,760,228 
Restricted cash   65,542    65,007 
Total cash and restricted cash shown in statement of cash flows  $4,727,037   $7,825,235 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
          
   As of April 30, 2022  As of October 31, 2021
Expected dividend yield   0%   0%
Expected option term (years)   10    10 
Expected volatility   294.55%-301.53%   294.55%-301.53 
Risk-free interest rate   1.19%-1.62%   1.19%-1.62%