Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 29, 2022	Oct. 31, 2021	Oct. 29, 2022	Oct. 31, 2021
Revenue:
Total revenue	$ 51,369	$ 26,427	$ 97,836	$ 37,151
Cost of revenue:
Cost of revenue	23,410	10,473	42,214	16,017
Gross profit	27,959	15,954	55,622	21,134
Operating expenses:
Research and development	18,158	11,800	34,841	21,493
Selling, general and administrative	11,540	7,708	22,738	14,825
Total operating expenses	29,698	19,508	57,579	36,318
Operating loss	(1,739)	(3,554)	(1,957)	(15,184)
Other income (expense), net	(692)	55	(912)	10
Loss before income taxes	(2,431)	(3,499)	(2,869)	(15,174)
Provision for income taxes	929	601	564	1,503
Net loss	$ (3,360)	$ (4,100)	$ (3,433)	$ (16,677)
Net loss per share:
Net loss per share, basic (in US dollars per share)	$ (0.02)	$ (0.06)	$ (0.02)	$ (0.24)
Net loss per share, diluted (in US dollars per share)	$ (0.02)	$ (0.06)	$ (0.02)	$ (0.24)
Weighted-average shares:
Weighted-average shares, basic (in shares)	146,012	69,094	145,545	68,751
Weighted-average shares, diluted (in shares)	146,012	69,094	145,545	68,751
Product sales
Revenue:
Total revenue	$ 44,349	$ 18,454	$ 79,612	$ 25,717
Cost of revenue:
Cost of revenue	22,658	9,849	40,183	14,206
Product engineering services
Revenue:
Total revenue	3,750	1,355	4,574	2,674
Cost of revenue:
Cost of revenue	418	532	518	1,397
IP license
Revenue:
Total revenue	2,084	6,142	12,464	7,172
IP license engineering services
Revenue:
Total revenue	1,186	476	1,186	1,588
Cost of revenue:
Cost of revenue	334	92	334	414
IP License
Cost of revenue:
Cost of revenue	$ 0	$ 0	$ 1,179	$ 0