XML 49 R35.htm IDEA: XBRL DOCUMENT v3.20.4
Reporting Entity and Significant Accounting Policies - Summary of Amounts Related to Limited Warranty (Detail) - USD ($)
12 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Accounting Policies [Abstract]    
Beginning accrued warranty expense $ 125,000 $ 125,000
Less: reduction for payments (419,731) (413,734)
Plus: additions to accrual 419,731 413,734
Ending accrued warranty expense $ 125,000 $ 125,000