Benefit Plans, Stock Award Plans (Details) $ / shares in Units, $ in Thousands		12 Months Ended
		Jan. 30, 2021 USD ($) Plan $ / shares shares	Feb. 01, 2020 USD ($) $ / shares shares
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards | $		$ 400
Weighted average period		3 years 6 months
Unrecognized compensation expense | $		$ 200
Total compensation expense recognized | $		$ 323
Number of employee stock award plans | Plan		3
Fair Values of Options Granted have been Estimated at the Date of Grant using the Black - Scholes Option Pricing Model [Abstract]
Dividend yield		0.00%	0.00%
Weighted average fair value per share of awards granted during the year (in dollars per share)		$ 5.81	$ 4.46
Number of Shares Subject to Option [Roll Forward]
Exercised (in shares) | shares		0	0
Weighted Average Grant Date Fair Value/ Exercise Price [Abstract]
Share price (in dollar per share)		$ 38.56
Intrinsic value of stock awards outstanding | $		$ 3,300
Intrinsic value of vested awards | $		$ 400
Expenses for deferred shares issued to non-employee directors | $			$ 40
Exercises of non-restricted stock options (in shares) | shares		0	0
Minimum [Member]
Fair Values of Options Granted have been Estimated at the Date of Grant using the Black - Scholes Option Pricing Model [Abstract]
Expected stock price volatility		88.00%	63.70%
Risk-free interest rate		0.28%	1.35%
Expected award life (in years)		4 years 11 months 5 days	5 years 7 months 20 days
Maximum [Member]
Fair Values of Options Granted have been Estimated at the Date of Grant using the Black - Scholes Option Pricing Model [Abstract]
Expected stock price volatility		105.50%	70.10%
Risk-free interest rate		0.56%	1.62%
Expected award life (in years)		7 years 1 month 13 days	6 years 11 months 23 days
New Plan [Member]
Stock Awards [Abstract]
Equity awards authorized for issuance (in shares) | shares		250,000
Equity awards granted and are outstanding (in shares) | shares		133,356
Equity awards vested and exercisable (in shares) | shares		45,025
Shares available for future grants (in shares) | shares		145,419
Employee and Director Stock Award Plans [Member]
Number of Shares Subject to Option [Roll Forward]
Balance (in shares) | shares		129,196	138,921
Granted (in shares) | shares		98,898	5,750
Cancelled/Forfeited (in shares) | shares		(94,738)	(15,475)
Exercised (in shares) | shares		0	0
Balance (in shares) | shares		133,356	129,196
Stock Award Exercise Price Range Per Share [Abstract]
Exercised (in dollars per share)		$ 0	$ 0
Weighted Average Exercise Price [Abstract]
Balance (in dollars per share)		52.11	55.00
Granted (in dollars per share)		7.36	3.76
Cancelled/Forfeited (in dollars per share)		51.84	57.68
Exercised (in dollars per share)		0	0
Balance (in dollars per share)		$ 20.41	$ 52.11
Other Share Awards [Abstract]
Balance (in shares) | shares	[1]	9,945	13,571
Granted (in shares) | shares	[1]	0	0
Cancelled/Forfeited (in shares) | shares	[1]	0	0
Exercised (in shares) | shares	[1]	(9,945)	(3,626)
Balance (in shares) | shares	[1]	0	9,945
Weighted Average Grant Date Fair Value/ Exercise Price [Abstract]
Balance (in dollars per share)		$ 36.75	$ 33.60
Granted (in dollars per share)		0	0
Cancelled/Forfeited (in dollars per share)		0	0
Exercised (in dollars per share)		(36.75)	5.66
Balance (in dollars per share)		$ 0	$ 36.75
Exercises of non-restricted stock options (in shares) | shares		0	0
Employee and Director Stock Award Plans [Member] | Minimum [Member]
Stock Award Exercise Price Range Per Share [Abstract]
Balance (in dollars per share)		$ 3.51	$ 19.60
Granted (in dollars per share)		3.68	3.51
Cancelled/Expired (in dollars per share)		7.12	34.60
Balance (in dollars per share)		3.51	3.51
Employee and Director Stock Award Plans [Member] | Maximum [Member]
Stock Award Exercise Price Range Per Share [Abstract]
Balance (in dollars per share)		97.40	97.40
Granted (in dollars per share)		10.75	5.40
Cancelled/Expired (in dollars per share)		97.40	95.40
Balance (in dollars per share)		$ 97.40	$ 97.40

[1] Other Share Awards include deferred shares granted to executives and directors.