Short-term Investments - Summary of Short-term Investments (Detail) - USD ($)	May 03, 2025	Nov. 02, 2024
Investments, Debt and Equity Securities [Abstract]
Available-for-sale securities, Amortized Costs	$ 167,930	$ 167,930
Available-for-sale securities, Gross Unrealized Gains	413,067	512,087
Available-for-sale securities, Gross Unrealized Losses	0	0
Short-term investments	$ 580,997	$ 680,017

Available for sale securities accumulated gross unrealized gain before taxes.

No definition available.

Name:	ck0000072205_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxes
Namespace Prefix:	ck0000072205_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant