Stock-Based Compensation - Summary of Vested Time-Based Restricted Stock Units (Detail) - Time-Based Restricted Stock Units [Member] - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Jul. 30, 2023	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units Vested		0
Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units Vested	[1]		19,786
Fair Value	[1],[2]		$ 101
Price Per Share	[1],[3]		$ 5.1
Key Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units Vested	[4]		13,013
Fair Value	[2],[4]		$ 66
Price Per Share	[3],[4]		$ 5.1

[1] Time-based restricted stock units vested by senior executives.

[2] Dollar amounts are in thousands.

[3] Price per share is derived from the closing price of our common stock on the date the respective time-based restricted stock units vested.

[4] Time-based restricted stock units vested by key employees.