Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Narrative (Details)

v3.20.4
Revenue Recognition - Narrative (Details) - USD ($)
Nov. 01, 2020
Nov. 04, 2019
Nov. 03, 2019
Oct. 28, 2018
Disaggregation of Revenue [Line Items]        
Stockholders' equity $ 27,874,000   $ 36,189,000 $ 50,499,000
Contract assets 0   0  
Long-term contract liabilities 0   0  
Cumulative Effect, Period of Adoption, Adjustment        
Disaggregation of Revenue [Line Items]        
Stockholders' equity     22,216,000 426,000
Accounting Standards Update 2014-09        
Disaggregation of Revenue [Line Items]        
Reserve balance     400,000  
Retained Earnings        
Disaggregation of Revenue [Line Items]        
Stockholders' equity $ (29,793,000)   (10,917,000) 9,738,000
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment        
Disaggregation of Revenue [Line Items]        
Stockholders' equity   $ 22,200,000 $ 22,216,000 426,000
Retained Earnings | Accounting Standards Update 2014-09 | Cumulative Effect, Period of Adoption, Adjustment        
Disaggregation of Revenue [Line Items]        
Stockholders' equity       $ 400,000