Fair Values of Financial Investments - Summary of Financial Assets and Liabilities Carried at Fair Value (Detail) - USD ($)	Oct. 31, 2015	Nov. 01, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities in a public company	$ 462,578	$ 496,444
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities in a public company	462,578	496,444
Fair value of investments	$ 462,578	496,444
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-recurring fair value investment		146,403
Fair value of investments		$ 146,403