Benefit Plans, Stock Award Plans (Details)		12 Months Ended
		Jan. 29, 2022 USD ($) Plan $ / shares shares	Jan. 30, 2021 USD ($) $ / shares shares	Mar. 18, 2021 $ / shares
Stock Awards [Abstract]
Total compensation expense recognized | $		$ 400,000	$ 300,000
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)		$ 20.58	$ 5.81
Weighted Average Grant Fair Value [Abstract]
Share price (in dollars per share)		$ 7.56		$ 32.50
Intrinsic value of stock awards outstanding | $		$ 64,391
Intrinsic value of vested awards | $		$ 32,647
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		100.60%	88.00%
Risk-free interest rate		1.29%	0.28%
Expected award life (in years)		4 years 11 months 4 days	4 years 11 months 4 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		115.60%	105.50%
Risk-free interest rate		1.46%	0.56%
Expected award life (in years)		6 years 11 months 23 days	7 years 1 month 13 days
Employee Stock Award Plans [Member]
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards | $		$ 300,000
Weighted average period		2 years 6 months
Restricted Share [Member]
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards | $		$ 1,300,000
Weighted average period		3 years
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		79,660
Equity awards vested and exercisable (in shares) | shares		34,833
Shares available for future grants (in shares) | shares		79,660
Employee and Director Stock Award Plans [Member]
Number of Shares Subject to Option [Roll Forward]
Balance (in shares) | shares		133,356	129,196
Granted (in shares) | shares		6,637	98,898
Cancelled/Forfeited (in shares) | shares		(51,625)	(94,738)
Exercised (in shares) | shares		(2,403)	0
Balance (in shares) | shares		85,965	133,356
Stock Award Exercise Price Range Per Share [Abstract]
Exercised (in dollars per share)		$ 7.12	$ 0
Weighted Average Exercise Price [Abstract]
Balance (in dollars per share)		20.41	52.11
Granted (in dollars per share)		25.69	7.36
Cancelled/Forfeited (in dollars per share)		33.36	51.84
Exercised (in dollars per share)		7.12	0
Balance (in dollars per share)		$ 13.41	$ 20.41
Other Share Awards [Abstract]
Balance (in shares) | shares	[1]	0	9,945
Granted (in shares) | shares	[1]	111,500	0
Cancelled/Forfeited (in shares) | shares	[1]	(12,500)	0
Exercised (in shares) | shares	[1]	(9,000)	(9,945)
Balance (in shares) | shares	[1]	90,000	0
Weighted Average Grant Fair Value [Abstract]
Balance (in dollars per share)		$ 0	$ 36.75
Granted (in dollars per share)		16.09	0
Cancelled/Forfeited (in dollars per share)		(18.07)	0
Exercised (in dollars per share)		(20.41)	(36.75)
Balance (in dollars per share)		15.39	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	3.51
Granted (in dollars per share)		20.41	3.68
Cancelled/Expired (in dollars per share)		7.12	7.12
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)		32.54	10.75
Cancelled/Expired (in dollars per share)		36.00	97.40
Balance (in dollars per share)		$ 97.40	$ 97.40

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