Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($)	Oct. 31, 2015	Nov. 01, 2014
Deferred tax assets:
Allowance for doubtful accounts	$ 87,261	$ 87,261
Inventories	651,980	782,308
Carrying value of other investments	1,186,668	1,939,918
Accrued expenses	75,141	58,311
Stock-based compensation	8,971	10,507
Net operating loss		231,289
Valuation allowance	0	(975,312)
Total deferred tax assets	2,010,021	2,134,282
Deferred tax liabilities:
Depreciation	(37,982)	(33,288)
State income tax refunds	(29,598)	(29,598)
Amortization	(58,810)	(58,810)
Prepaid expenses	(17,808)	(16,586)
Net deferred tax asset	$ 1,865,823	$ 1,996,000