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Earnings (Loss) Per Share (Tables)
 9 Months Ended
Jul. 29, 2018
Earnings Per Share [Abstract]  
Summary of Basic and Diluted Net Income (Loss) Per Share
Basic and diluted net loss per share is calculated as follows (in thousands, except per share amounts):
 
Three Months Ended
 
Nine Months Ended
 
July 29, 2018
 
July 30, 2017
 
July 29, 2018
 
July 30, 2017
Numerator
 
 
 
 
 
 
 
Net loss
$
(11,418
)
 
$
(5,518
)
 
$
(29,799
)
 
$
(10,949
)
Denominator
 
 
 
 
 
 
 
Basic weighted average number of shares
21,071

 
20,963

 
21,044

 
20,934

Diluted weighted average number of shares
21,071

 
20,963

 
21,044

 
20,934

 
 
 
 
 
 
 
 
Net loss per share:
 
 
 
 
 
 
 
Basic
$
(0.54
)
 
$
(0.26
)
 
$
(1.42
)
 
$
(0.52
)
Diluted
$
(0.54
)
 
$
(0.26
)
 
$
(1.42
)
 
$
(0.52
)