Stock-Based Compensation - Additional Information (Details) - USD ($)						6 Months Ended
		Aug. 05, 2021	Aug. 12, 2020	Aug. 08, 2019	Aug. 04, 2016	Jul. 31, 2021	Aug. 01, 2020	Jan. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted						1,518,154
Stock compensation expense						$ 643,000	$ 797,000
Non Employee Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares of common stock issued						206,923
Fair value of common stock issued						$ 218,369
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted						8,054
Deferred stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted							45,714
Time Vested Stock Options, RSU and PSU Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock compensation cost						$ 2,200,000
Unrecognized stock compensation cost weighted average recognition period						29 months
2016 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserve, shares					5,725,538
Reduction in outstanding reserve for share granted					1.00%
Reduction in outstanding reserve for share granted, full-value award					1.90%
Shares available for grant						22,901
Number of additional shares authorized to increase share reserve			1,740,000	2,800,000
Share-based compensation arrangement by share-based payment award, description						In accordance with the terms of the 2016 Plan, any shares outstanding under the previous 2006 Incentive Compensation Plan (the “2006 Plan”) at August 4, 2016 that subsequently terminate, expire or are cancelled for any reason without having been exercised or paid are added back and become available for issuance under the 2016 Plan, with stock options being added back on a one-for-one basis and full-value awards being added back on a 1 to 1.9 basis.
Stock option outstanding						5,135,923		3,647,581
Percent of shares available for awards					5.00%
Share-based compensation description						Except with respect to 5% of the shares available for awards under the 2016 Plan, no award will become exercisable unless such award has been outstanding for a minimum period of one year from its date of grant.
Stock options granted	[1]					1,518,154
Shares granted						8,054
2016 Plan | RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	[2]					8,054
2016 Plan | Subsequent Event
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of additional shares authorized to increase share reserve		4,855,000
2006 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option outstanding						412,826

[1] Primarily represents the grant of stock options to purchase an aggregate of 1,078,913 shares of the Company’s common stock, at an exercise price of $0.69 per share, in connection with the time-based grant of awards under its 2021-2023 LTIP, see Note 5, Long-Term Incentive Plans.  In March 2021, the Company also granted to active participants of the LTIP, a discretionary grant of stock options to purchase an aggregate of 414,337 shares of the Company’s common stock, at an exercise price of $0.75 per share, which will vest ratably over 3 years

[2] During the first six months of fiscal 2021, the vesting of RSUs was primarily related to the time-based awards under the Company’s LTIP plans, see Note 5, Long-Term Incentive Plans.