Income Taxes (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2021	Jan. 30, 2021
Federal [Member]
Operating Loss Carryforwards Components [Abstract]
Net operating loss carryforwards		$ 346.7
Operating loss carryforward expiration year	2040
State [Member]
Operating Loss Carryforwards Components [Abstract]
Net operating loss carryforwards		$ 219.5
Operating loss carryforward expiration year	2040