Revenue Recognition - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Jul. 29, 2023	Jul. 30, 2022	Apr. 29, 2023	Apr. 30, 2022	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Previously deferred revenue recognized	$ 1,300	$ 700
Decrease in contract assets	1,397	4,040
Decrease in deferred revenue	900
Unsatisfied performance obligation, amount	25,100
Previously satisfied performance obligation, amount	10,100
Total revenue	35,095	46,467
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	$ 436	$ 388
Grant date fair value of warrant (in US dollars per share)	$ 4.65	$ 4.65
Customer warrant
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Vested in period (in shares)	80,000		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	$ 33,100
Total revenue	$ 33,300
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