Stock Option Plan - Option Granted (Detail) - USD ($)	12 Months Ended
Nov. 06, 2021	Oct. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Beginning, Number of Shares	27,300	2,750
Granted, Number of Shares	21,250	24,550
Exercised, Number of Shares	1,250	0
Canceled, Number of Shares	0	0
Outstanding Ending, Number of Shares	47,300	27,300
Outstanding Beginning, Stock Option Price Range		$ 12.10
Granted, Stock Option Price Range	$ 25.75	24.00
Exercised, Stock Option Price Range	12.10	0
Canceled, Stock Option Price Range	0	0
Outstanding Beginning, Weighted Average Exercise Price	23.36	12.10
Granted, Weighted Average Exercise Price	25.75	24.00
Exercised, Weighted Average Exercise Price	12.10	0
Canceled, Weighted Average Exercise Price	0	0
Outstanding Ending, Weighted Average Exercise Price	$ 24.41	23.36
Outstanding Ending, Aggregate Intrinsic Value	$ 453,662
Minimum Range [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Beginning, Stock Option Price Range	$ 12.10
Outstanding Ending, Stock Option Price Range	12.10	12.10
Maximum Range [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Beginning, Stock Option Price Range	24.00
Outstanding Ending, Stock Option Price Range	$ 25.75	$ 24.00

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Share based compensation arrangements by share based payment award options exercises in period exercise price.

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Share based compensation arrangements by share based payment award options grants in period exercise price.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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