Intangible Asset - Tradenames (Detail) - USD ($)	3 Months Ended		9 Months Ended
	May 03, 2020	Feb. 02, 2020	Jan. 31, 2021	Feb. 02, 2020
Finite Lived Intangible Assets [Line Items]
Beginning balance			$ 540,000	$ 7,232,000
Ending balance	$ 540,000	$ 4,804,000	540,000	4,804,000
Discontinued Operations [Member]
Finite Lived Intangible Assets [Line Items]
Asset impairment charge - discontinued operation	$ (4,200,000)	$ (2,400,000)	$ 0	$ (2,428,000)