Revenue Recognition - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023	Apr. 29, 2023	Apr. 30, 2022	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Previously deferred revenue recognized			$ 3,700	$ 1,100
Increase in contract assets			9,200
Unsatisfied performance obligation, amount	$ 16,500		16,500
Previously satisfied performance obligation, amount			10,100
Total revenue	53,058	$ 54,270	132,188	152,106
Number of shares called by warrant (in shares)						4,080,000
Exercise of warrants, price per share (in US dollars per share)						$ 10.74
Number of shares vested upon warrant exercise (in shares)						40,000
Maximum aggregate payments over contract term						$ 201,000
Warrant contra revenue	$ 1,000	$ 300	$ 1,823	$ 895
Grant date fair value of warrant (in US dollars per share)	$ 4.65	$ 4.65	$ 4.65	$ 4.65
Customer Warrant
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Vested in period (in shares)			580,000		80,000
IP Licensing and Development Contract Customer
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount							$ 43,500
Billed revenue from contract with customer	$ 33,400		$ 33,400
Total revenue			$ 33,900
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | IP Licensing and Development Contract Customer
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, period							3 years