Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($)	Nov. 03, 2018	Nov. 04, 2017
Deferred tax assets:
Allowance for doubtful accounts	$ 58,773	$ 87,261
Inventories	158,598	339,954
Accrued expenses	144,814	192,427
Stock-based compensation	1,312	1,052
Total deferred tax assets	363,497	620,694
Deferred tax liabilities:
Depreciation	(39,490)	(80,858)
Installment sale of Cypress Creek		(547,348)
Carrying value of investments	(221,600)	(388,543)
Amortization	(39,611)	(58,810)
Prepaid expenses	(22,640)	(10,013)
Net deferred tax liabilities		$ (464,878)
Net deferred tax assets	$ 40,156