Earnings Per Share - Computation of Basic and Diluted Net Income Per Share Attributable to Common Shareholders (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	May 01, 2021	May 02, 2020
Numerator
Net loss attributable to common shareholders:	$ (18,308)	$ (70,269)
Denominator
Weighted average number of common shares outstanding, basic:	9,666,353	8,882,183
Weighted average number of common shares outstanding, diluted:	9,666,353	8,882,183
Net loss per common share attributable to common shareholders, basic:	$ (1.89)	$ (7.91)
Net loss per common share attributable to common shareholders, diluted:	$ (1.89)	$ (7.91)