Net Income (Loss) Per Share - Schedule of Weighted Average Shares Used in the Computation of Basic and Diluted Net Income (Loss) Per Share (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jan. 30, 2022	Jan. 31, 2021	Jan. 30, 2022	Jan. 31, 2021
Earnings Per Share [Abstract]
Weighted average common shares outstanding, basic	12,212	12,305	12,249	12,297
Dilutive effect of stock-based compensation		64	92	2
Weighted average common shares outstanding, diluted	12,212	12,369	12,341	12,299