Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020
DEFERRED TAX ASSETS [Abstract]
Accrued Expenses	$ 71	$ 1,783
Inventory	215	32
Retirement and compensation related accruals	3,981	5,888
Fixed assets	218	6,470
Federal and state net operating loss and credit carry forwards	90,206	83,562
Real estate leases, included deferred rent	0	5,712
Losses on investment	853	896
Others	107	549
Gross deferred tax assets before valuation allowance	95,651	104,892
Less: valuation allowance	(95,022)	(104,556)
Total deferred tax assets	629	336
DEFERRED TAX LIABILITIES [Abstract]
Intangibles	(629)	(336)
Inventory	0	0
Total deferred tax liabilities	(629)	(336)
NET DEFERRED TAX ASSET	0	$ 0
Federal [Member]
Operating Loss Carryforwards Components [Abstract]
Net operating loss carryforwards	$ 346,700
Operating loss carryforward expiration year	2040
Deferred tax assets, tax credit carryforwards	$ 500
Tax credit carryforward, expiration year	2026
State [Member]
Operating Loss Carryforwards Components [Abstract]
Net operating loss carryforwards	$ 219,500
Operating loss carryforward expiration year	2040
Tax credit carryforward, amount	$ 200