Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023
Revenue:
Total revenue	$ 53,058	$ 54,270	$ 132,188	$ 152,106
Cost of revenue:
Cost of revenue	20,500	22,283	52,723	64,497
Gross profit	32,558	31,987	79,465	87,609
Operating expenses:
Research and development	24,236	20,530	68,610	55,371
Selling, general and administrative	14,233	11,936	40,032	34,674
Impairment charges	0	2,407	0	2,407
Total operating expenses	38,469	34,873	108,642	92,452
Operating loss	(5,911)	(2,886)	(29,177)	(4,843)
Other income, net	4,291	2,530	9,150	1,618
Loss before income taxes	(1,620)	(356)	(20,027)	(3,225)
Benefit for income taxes	(2,048)	(3,179)	(2,135)	(2,615)
Net income (loss)	$ 428	$ 2,823	$ (17,892)	$ (610)
Net income (loss) per share:
Basic (in US dollars per share)	$ 0	$ 0.02	$ (0.12)	$ 0
Diluted (in US dollars per share)	$ 0	$ 0.02	$ (0.12)	$ 0
Weighted-average shares:
Basic (in shares)	157,155,000	146,908,000	152,063,000	146,000,000
Diluted (in shares)	167,160,000	156,519,000	152,063,000	146,000,000
Product sales
Revenue:
Total revenue	$ 39,975	$ 38,033	$ 104,250	$ 117,645
Cost of revenue:
Cost of revenue	18,912	21,833	50,126	62,016
Product engineering services
Revenue:
Total revenue	11,830	3,635	16,557	8,209
Cost of revenue:
Cost of revenue	1,471	228	1,935	746
IP license
Revenue:
Total revenue	1,253	12,602	11,381	26,252
Cost of revenue:
Cost of revenue	$ 117	$ 222	$ 662	$ 1,735