Segment and Geographic Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 192,970	$ 184,194	$ 106,477
Hong Kong
Disaggregation of Revenue [Line Items]
Total revenue	70,162	9,646	11,696
United States
Disaggregation of Revenue [Line Items]
Total revenue	49,569	44,253	27,696
Mainland China
Disaggregation of Revenue [Line Items]
Total revenue	28,264	96,935	37,699
Taiwan
Disaggregation of Revenue [Line Items]
Total revenue	21,286	5,363	4,429
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 23,689	$ 27,997	$ 24,957