Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Oct. 29, 2022	Oct. 31, 2021
Cash flows from operating activities:
Net loss	$ (3,433)	$ (16,677)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,260	2,000
Share-based compensation	10,437	2,382
Warrant contra revenue	635	0
Write-downs for excess and obsolete inventory	1,102	696
Changes in operating assets and liabilities:
Accounts receivable	(22,244)	(15,335)
Inventories	(21,594)	(14,879)
Contract assets	3,629	(900)
Prepaid and other current assets	2,689	(124)
Other non-current assets	(998)	(1,691)
Accounts payable	10,073	3,135
Accrued expenses, compensation and other liabilities	4,827	5,015
Deferred revenue	155	1,459
Net cash used in operating activities	(10,462)	(34,919)
Cash flows from investing activities:
Purchases of property and equipment	(10,925)	(4,985)
Purchases of short-term investments	(50,000)	0
Net cash used in investing activities	(60,925)	(4,985)
Cash flows from financing activities:
Payments for IPO offering costs	0	(948)
Proceeds from employee share incentive plans	2,723	869
Proceeds from issuance of convertible preferred shares, net of issuance costs	0	7,245
Net cash provided by financing activities	2,723	7,166
Effect of exchange rate changes on cash	(116)	28
Net decrease in cash and cash equivalents	(68,780)	(32,710)
Cash and cash equivalents at beginning of the period	259,322	103,757
Cash and cash equivalents at end of the period	190,542	71,047
Supplemental cash flow information:
Purchase of property and equipment included in accounts payable, accrued expenses and other liabilities	$ 14,513	$ 183