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Fair Values of Financial Investments - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($)
Nov. 05, 2022
Nov. 06, 2021
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Equity securities in a public company $ 589,071 $ 621,928
Level 1 [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Equity securities in a public company 589,071 621,928
Level 2 [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Equity securities in a public company
Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]    
Equity securities in a public company