Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 28, 2023	Jan. 31, 2022	Jan. 28, 2023	Jan. 31, 2022
Revenue:
Total revenue	$ 54,270	$ 31,800	$ 152,106	$ 68,951
Cost of revenue:
Cost of revenue	22,283	12,688	64,497	28,705
Gross profit	31,987	19,112	87,609	40,246
Operating expenses:
Research and development	20,530	10,995	55,371	32,488
Selling, general and administrative	11,936	8,568	34,674	23,393
Impairment charges	2,407	0	2,407	0
Total operating expenses	34,873	19,563	92,452	55,881
Operating loss	(2,886)	(451)	(4,843)	(15,635)
Other income (expense), net	2,530	(80)	1,618	(70)
Loss before income taxes	(356)	(531)	(3,225)	(15,705)
Provision (benefit) for income taxes	(3,179)	(387)	(2,615)	1,116
Net income (loss)	$ 2,823	$ (144)	$ (610)	$ (16,821)
Net income (loss) per share:
Net income (loss) per share, basic (in US dollars per share)	$ 0.02	$ 0	$ 0	$ (0.24)
Net income (loss) per share, diluted (in US dollars per share)	$ 0.02	$ 0	$ 0	$ (0.24)
Weighted-average shares:
Weighted-average shares outstanding used in basic calculation (in shares)	146,908,000	73,815,000	146,000,000	70,439,000
Weighted-average shares, diluted (in shares)	156,519,000	73,815,000	146,000,000	70,439,000
Product sales
Revenue:
Total revenue	$ 38,033	$ 22,706	$ 117,645	$ 48,423
Cost of revenue:
Cost of revenue	21,833	12,230	62,016	26,436
Product engineering services
Revenue:
Total revenue	3,635	3,954	8,209	6,628
Cost of revenue:
Cost of revenue	228	410	746	1,807
IP license
Revenue:
Total revenue	11,715	5,022	24,179	12,194
IP license engineering services
Revenue:
Total revenue	887	118	2,073	1,706
Cost of revenue:
Cost of revenue	222	48	556	462
IP License
Cost of revenue:
Cost of revenue	$ 0	$ 0	$ 1,179