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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Jan. 27, 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
 
January 27, 2019
 
January 28, 2018
Numerator
 
 
 
Net loss
$
(3,215
)
 
$
(10,694
)
 
 
 
 
Denominator
 
 
 
Basic weighted average number of shares
21,080

 
21,029

Diluted weighted average number of shares
21,080

 
21,029

 
 
 
 
Net loss per share:
 
 
 
Basic
$
(0.15
)
 
$
(0.51
)
Diluted
$
(0.15
)
 
$
(0.51
)