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Earnings (Loss) Per Share (Tables)
 6 Months Ended
Apr. 28, 2019
Earnings Per Share [Abstract]  
Summary of Basic and Diluted Net Loss per Share
Basic and diluted net loss per share is calculated as follows (in thousands, except per share amounts):
 
Three Months Ended
 
Six Months Ended
 
April 28, 2019
 
April 29, 2018
 
April 28, 2019
 
April 29, 2018
Numerator
 
 
 
 
 
 
 
Net loss
$
(5,165
)
 
$
(7,687
)
 
$
(8,380
)
 
$
(18,381
)
 
 
 
 
 
 
 
 
Denominator
 
 
 
 
 
 
 
Basic weighted average number of shares
21,082

 
21,032

 
21,081

 
21,030

Diluted weighted average number of shares
21,082

 
21,032

 
21,081

 
21,030

 
 
 
 
 
 
 
 
Net loss per share:
 
 
 
 
 
 
 
Basic
$
(0.24
)
 
$
(0.37
)
 
$
(0.40
)
 
$
(0.87
)
Diluted
$
(0.24
)
 
$
(0.37
)
 
$
(0.40
)
 
$
(0.87
)