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Investments (Tables)
 12 Months Ended
Nov. 02, 2019
Investments, Debt and Equity Securities [Abstract]  
Summary of Short-term Investments
The following is a summary of short-term investments (available for sale):
 
   November 2, 2019 
   Amortized Cost   Gross
Unrealized
Gains		   Gross
Unrealized
Losses		   Estimated Fair
Value		 
Equity securities in a public company
  $167,930   $353,353   $—     $521,283 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
 
   November 3, 2018 
   Amortized Cost   Gross
Unrealized
Gains		   Gross
Unrealized
Losses		   Estimated Fair
Value		 
Equity securities in a public company
  $167,930   $369,837   $—     $537,767