Shareholders' Equity (Tables)

12 Months Ended

Jan. 29, 2022

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of warrants outstanding [Table Text Block]

	Warrants	Warrants	Exercise Price
Grant Date	Outstanding	Exercisable	(Per Share)		Expiration Date
March 16, 2017	5,000	5,000	$	19.20	March 16, 2022
May 2, 2019	349,998	349,998	$	15.00	May 2, 2024
April 17, 2020	367,197	367,197	$	2.66	April 14, 2025
May 22, 2020	122,398	122,398	$	2.66	April 14, 2025
June 8, 2020	122,399	122,399	$	2.66	April 14, 2025
June 12, 2020	122,398	122,398	$	2.66	April 14, 2025
July 11, 2020	244,798	244,798	$	2.66	April 14, 2025

Schedule of stock options valuation assumptions [Table Text Block]

	Fiscal 2021	Fiscal 2020	Fiscal 2019
Expected volatility:	82% - 89%	—	75% - 82%
Expected term (in years):	6 years	—	6 years
Risk-free interest rate:	1.0% - 1.3%	—	1.4% - 2.6%

Schedule of stock option activity [Table Text Block]

A summary of the status of the Company’s stock option activity as of January 29, 2022 and changes during the year then ended is as follows:

	2020 Plan			2011 Plan			2004 Plan
	Option	Weighted Average		Option	Weighted Average		Option	Weighted Average
	Shares	Exercise Price		Shares	Exercise Price		Shares	Exercise Price
Balance outstanding, January 30, 2021	—	$	—	34,000	$	12.87	3,000	$	53.49
Granted	158,000	$	7.48	—	$	—	—	$	—
Exercised	—	$	—	—	$	—	—	$	—
Forfeited or canceled	(10,500)	$	9.64	(8,300)	$	22.59	—	$	—
Balance outstanding, January 29, 2022	147,500	$	7.33	25,700	$	10.04	3,000	$	53.49
Options exercisable at January 29, 2022	10,000	$	8.72	22,800	$	10.73	3,000	$	53.49

Schedule of stock options outstanding, vested and expected to vest [Table Text Block]

The following table summarizes information regarding stock options outstanding at January 29, 2022:

	Options Outstanding						Options Vested or Expected to Vest
				Weighted						Weighted
		Weighted		Average				Weighted		Average
		Average		Remaining	Aggregate			Average		Remaining	Aggregate
	Number of	Exercise		Contractual	Intrinsic		Number of	Exercise		Contractual	Intrinsic
Option Type	Shares	Price		Life (Years)	Value		Shares	Price		Life (Years)	Value
2020 Plan	147,500	$	7.33	9.4	$	—	129,700	$	7.34	9.4	$	—
2011 Plan	25,700	$	10.04	5.9	$	2,500	25,200	$	10.16	5.9	$	2,400
2004 Plan	3,000	$	53.49	2.2	$	—	3,000	$	53.49	2.2	$	—

Schedule of grant date fair value assumptions, market-based restricted stock performance units [Table Text Block]

	Fiscal 2019
Total grant date fair value	$482
Total grant date fair value per share	$5.14
Expected volatility	74% - 82%
Weighted average expected life (in years)	3 years
Risk-free interest rate	1.7% - 2.3%

Restricted stock vesting criteria for market-based performance

The percent of the target market-based performance vested restricted stock unit award that will be earned based on the Company’s TSR relative to the peer group is as follows:

	Percentage of
Percentile Rank	Units Vested
< 33%	0	%
33%	50	%
50%	100	%
100%	150	%

Valuation assumptions of May 2, 2019 market-based restricted stock unit [Table Text Block]

Grant date fair values and derived service periods for each tranche were determined using a Monte Carlo valuation model based on assumptions, which included a weighted average risk-free interest rate of 2.5%, a weighted average expected life of 2.9 years and an implied volatility of 80% and were as follows for each tranche:

	Fair Value		Derived Service
	(Per Share)		Period
Tranche 1 (one year)	$	3.66	1.00 Year
Tranche 2 ($20.00/share)	$	3.19	3.27 Years
Tranche 3 ($40.00/share)	$	2.85	4.53 Years

Schedule of restricted stock unit activity [Table Text Block]

A summary of the status of the Company’s non-vested restricted stock unit activity as of January 29, 2022 and changes during the twelve-month period then ended is as follows:

	Restricted Stock Units
	Market-Based Units			Time-Based Units			Performance-Based Units			Total
		Weighted			Weighted			Weighted			Weighted
		Average			Average			Average			Average
		Grant Date			Grant Date			Grant Date			Grant Date
	Shares	Fair Value		Shares	Fair Value		Shares	Fair Value		Shares	Fair Value
Non-vested outstanding, January 30, 2021	60,000	$	3.52	736,000	$	4.03	146,000	$	1.69	942,000	$	3.64
Granted	—	$	—	824,200	$	9.33	76,900	$	8.72	901,100	$	9.28
Vested	—	$	—	(451,500)	$	5.82	—	$	—	(451,500)	$	5.82
Forfeited	(2,200)	$	5.10	(77,400)	$	4.28	—	$	—	(79,600)	$	4.30
Non-vested outstanding, January 29, 2022	57,800	$	3.47	1,031,300	$	7.46	222,900	$	4.13	1,312,000	$	6.72