Stock Compensation Plans - Summary of Activity for Non-Vested Shares under Two Thousand Six, Two Thousand Sixteen Plan And Inducement Awards (Parenthetical) (Details)	12 Months Ended
	Jan. 30, 2021 USD ($) $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted, vesting terms	The performance period for each LTIP is three years. Awards for any achievement of performance targets will not be granted until the performance targets are achieved and then will be subject to additional vesting through August 31, 2021, August 31, 2022 and August, 31, 2023, respectively.  The time-based awards under the 2018-2020 LTIP, 2019-2021 LTIP and 2020-2022 LTIP vest in four equal installments through April 1, 2022, April 1, 2023 and April 1, 2024, respectively.
Performance stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted, vesting terms	The PSUs vest in installments when the following milestones are met: one-third of the PSUs vest when the trailing 90-day volume-weighted average closing stock price (“VWAP”) is $4.00, one-third of the PSUs vest when the VWAP is $6.00 and one-third when the VWAP is $8.00.  All PSUs will expire on April 1, 2023 if no performance metric is achieved.
Expiration date	Apr. 01, 2023
Performance stock units | When VWAP is $4.00
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Volume-weighted average closing stock price | $ / shares	$ 4.00
Vesting percentage	33.33%
Performance stock units | When VWAP is $6.00
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Volume-weighted average closing stock price | $ / shares	$ 6.00
Vesting percentage	33.33%
Performance stock units | When VWAP is $8.00
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Volume-weighted average closing stock price | $ / shares	$ 8.00
Vesting percentage	33.33%
Performance stock units | Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted during the period, fair value | $	$ 1,000,000.0
Employee Stock Plan, 2006 Plan, 2016 Plan and Inducement Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	722,952
Shares granted during the period, fair value | $	$ 111,870
Employee Stock Plan, 2006 Plan, 2016 Plan and Inducement Awards | Certain Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	469,088
Shares granted during the period, fair value | $	$ 194,994
Percentage of quarterly retainer	50.00%
Employee Stock Plan, 2006 Plan, 2016 Plan and Inducement Awards | Deferred stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	253,864
Employee Stock Plan, 2006 Plan, 2016 Plan and Inducement Awards | Deferred stock | Certain Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	253,864	[1]

[1] The 253,864 shares of deferred stock, with a grant-date fair value of approximately $111,870, represent compensation to certain directors in lieu of cash, in accordance with their irrevocable elections.  The shares of deferred stock will vest at the director’s separation of service.