Earnings Per Share - Additional Information (Detail) - shares		3 Months Ended		9 Months Ended
	Nov. 04, 2020	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Antidilutive equity awards excluded from the computation of diluted earnings per share		416,363	800,003	476,541	636,752
Penny Warrants [Member]
Antidilutive equity awards excluded from the computation of diluted earnings per share		3,720,109			3,720,109
Subsequent Event
Stockholders' equity, reverse stock split	1-for-5 reverse stock split
Effective date of reverse stock split	Nov. 09, 2020