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Fair Value of Financial Instruments (Tables)
9 Months Ended
Jul. 31, 2021
Fair Value Disclosures [Abstract]  
Summary of Assets and Liabilities Measured at Fair Value
The following tables represent the Company’s financial assets and liabilities which are carried at fair value.
 
     July 31, 2021  
     Level 1      Level 2      Level 3  
Equity securities in a public company
   $ 562,270      $      $  
    
 
 
    
 
 
    
 
 
 
 
     October 31, 2020  
     Level 1      Level 2      Level 3  
Equity securities in a public company
   $ 358,960      $ —        $ —