Earnings (Loss) Per Share - Summary of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 27, 2019	Jan. 28, 2018
Numerator
Net loss	$ (3,215)	$ (10,694)
Denominator
Basic weighted average number of shares (shares)	21,080	21,029
Dilutive weighted average number of shares (shares)	21,080	21,029
Net loss per share:
Basic (usd per share)	$ (0.15)	$ (0.51)
Diluted (usd per share)	$ (0.15)	$ (0.51)