Share-Based Compensation Plans - Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended			12 Months Ended
	Jan. 27, 2019 USD ($) day multiplier $ / shares shares	Jan. 28, 2018 USD ($)	Jan. 29, 2017 USD ($) $ / shares	Oct. 28, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ (113)	$ 435
Share-based payment awards, issued (shares) | shares	0
Number of shares, exercised (shares) | shares	0
Total unrecognized compensation cost	$ 1,600
Weighted average vesting period	1 year 9 months 18 days
Compensation cost not yet recognized, expected in 2019	$ 900
Compensation cost not yet recognized, expected in 2020	500
Compensation cost not yet recognized, expected in 2021	200
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants in period	$ 900
Grant date fair value (in dollars per share) | $ / shares	$ 3.38
Equity instruments other than options, average stock price prior to end of vesting period, number of trading days | day	20
Maximum multiplier for closing stock price on grant date | multiplier	2
Outstanding (shares) | shares	218,097			276,396
Performance Share Units | Vesting Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Performance Share Units | Vesting Period Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	2 years
Performance Share Units | Vesting Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Performance Share Units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, payout percentage	0.00%
Performance Share Units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, payout percentage	200.00%
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants in period	$ 1,600
Grant date fair value (in dollars per share) | $ / shares	$ 3.20
Award vesting period	3 years
Maximum multiplier for closing stock price on grant date | multiplier	2
Outstanding (shares) | shares	482,272			582,831
Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants in period			$ 300
Award vesting period			3 years
Weighted average grant date fair value (in dollars per share) | $ / shares			$ 4.35
Outstanding (shares) | shares	13,661			13,661
Restricted Stock Units (RSUs), Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years