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Stock Option Plan - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 06, 2021
Oct. 31, 2020
Nov. 02, 2019
Jun. 30, 2011
Shares reserved for issuance 252,700     300,000
Options outstanding, shares outstanding 47,300 27,300 2,750  
Compensation cost related to the vesting of stock options $ 69,750 $ 3,624