Benefit Plans, Stock Award Plans (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Feb. 01, 2020	Feb. 02, 2019
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards		$ 300
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Dividend yield		0.00%	0.00%
Weighted average fair value per share of awards granted during the year (in dollars per share)		$ 4.46	$ 10.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares Subject To Option, Exercised (in shares)		0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Expenses for deferred shares issued to non-employee directors		$ 40	$ 79
Exercises of non-restricted stock options (in shares)		0	0
Expenses related to restricted shares issued		$ 276	$ 3,032
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected stock price volatility		63.70%	50.50%
Risk-free interest rate		1.35%	2.71%
Expected award life (in years)		5 years 7 months 20 days	5 years 7 months 20 days
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected stock price volatility		70.10%	54.00%
Risk-free interest rate		1.62%	3.01%
Expected award life (in years)		6 years 11 months 23 days	6 years 11 months 23 days
Stock Option [Member]
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards		$ 200
Weighted average period		1 year 2 months 12 days
Restricted Stock [Member]
Stock Awards [Abstract]
Unrecognized compensation cost related to stock option awards		$ 100
Weighted average period		2 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted shares issued (in shares)		78,628
Restricted shares issued, grant date fair value (in dollars per share)		$ 71.20
Expenses related to restricted shares issued			$ 2,400
Total compensation cost related to restricted shares			$ 5,600
New Plan [Member]
Stock Awards [Abstract]
Equity awards authorized for issuance (in shares)		250,000
Equity awards granted and are outstanding (in shares)		129,000
Equity awards vested and exercisable (in shares)		99,000
Shares available for future grants (in shares)		213,000
Employee and Director Stock Award Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares Subject To Option, Balance (in shares)		138,921	129,296
Number of Shares Subject To Option, Granted (in shares)		5,750	27,750
Number of Shares Subject To Option, Cancelled/Forfeited (in shares)		(15,475)	(18,125)
Number of Shares Subject To Option, Exercised (in shares)		0	0
Number of Shares Subject To Option, Balance (in shares)		129,196	138,921
Share-based Payment Arrangement, Option, Exercise Price Range [Abstract]
Stock Award Exercise Price Range Per Share, Exercised (in dollars per share)		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Balance (in dollars per share)		55.00	61.20
Weighted Average Exercise Price, Granted (in dollars per share)		3.76	19.80
Weighted Average Exercise Price, Cancelled/Forfeited (in dollars per share)		57.68	57.68
Weighted Average Exercise Price, Exercised (in dollars per share)		0	0
Weighted Average Exercise Price, Ending Balance (in dollars per share)		$ 52.11	$ 55.00
Share Based Compensation Arrangement by Share Based Payment Other Share Awards [Abstract]
Other Share Awards, Balance (in shares)	[1]	13,571	8,921
Other Share Awards, Granted (in shares)	[1]	0	11,224
Other Share Awards, Cancelled/Forfeited (in shares)	[1]	0	0
Other Share Awards, Exercised (in shares)	[1]	(3,626)	(6,575)
Other Share Awards, Balance (in shares)	[1]	9,945	13,571
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Fair Value/Exercise Price, Balance (in dollars per share)		$ 33.60	$ 65.20
Weighted Average Grant Fair Value/Exercise Price, Granted (in dollars per share)		0	22.40
Weighted Average Grant Fair Value/Exercise Price, Cancelled/Forfeited (in dollars per share)		0	38.80
Weighted Average Grant Fair Value/Exercise Price, Exercised (in dollars per share)		5.66	0
Weighted Average Grant Fair Value/Exercise Price, Balance (in dollars per share)		$ 36.75	$ 33.60
Exercises of non-restricted stock options (in shares)		0	0
Employee and Director Stock Award Plans [Member] | Minimum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Abstract]
Stock Award Exercise Price Range Per Share, Balance (in dollars per share)		$ 19.60	$ 32.00
Stock Award Exercise Price Range Per Share, Granted (in dollars per share)		3.51	19.60
Stock Award Exercise Price Range Per Share, Cancelled/Expired (in dollars per share)		34.60	19.60
Stock Award Exercise Price Range Per Share, Balance (in dollars per share)		3.51	19.60
Employee and Director Stock Award Plans [Member] | Maximum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Abstract]
Stock Award Exercise Price Range Per Share, Balance (in dollars per share)		97.40	97.40
Stock Award Exercise Price Range Per Share, Granted (in dollars per share)		5.40	20.80
Stock Award Exercise Price Range Per Share, Cancelled/Expired (in dollars per share)		95.40	77.60
Stock Award Exercise Price Range Per Share, Balance (in dollars per share)		$ 97.40	$ 97.40

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