Revenue Recognition - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Previously deferred revenue recognized	$ 4,100	$ 1,200	$ 4,000
Increase (decrease) in contract assets	12,900
Increase (decrease) in deferred revenue	(391)	3,186	(2,882)
Unsatisfied performance obligation, amount	11,600
Previously satisfied performance obligation, amount	1,500
Total revenue	$ 192,970	$ 184,194	$ 106,477
Number of shares called by warrant (in shares)			4,080
Exercise of warrants, price per share (in US dollars per share)	$ 10.74		$ 10.74
Exercise period of warrant (in years)			7 years
Number of shares vested upon warrant exercise (in shares)		40
Maximum aggregate payments over contract term			$ 201,000
Grant date fair value of warrant (in US dollars per share)	$ 4.65
Warrant contra revenue	$ 3,925	$ 1,220	640
Customer warrant
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Vested (in shares)	1,080	80
IP Licensing and Development Contract Customer
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount			$ 43,500
Total revenue	$ 10,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-28
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, period (in years)	1 year