Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jan. 28, 2023	Jan. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ (610)	$ (16,821)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	6,533	3,262
Share-based compensation	15,606	3,820
Warrant contra revenue	895	407
Write-downs for excess and obsolete inventory	3,087	1,256
Impairment charges	2,407	0
Changes in operating assets and liabilities:
Accounts receivable	(13,644)	(8,049)
Inventories	(26,065)	(20,274)
Contract assets	(9,185)	(5,239)
Prepaid and other current assets	1,642	(585)
Other non-current assets	(5,598)	(2,164)
Accounts payable	11,703	3,245
Accrued expenses, compensation and other liabilities	(1,850)	5,890
Deferred revenue	2,303	2,060
Net cash used in operating activities	(12,776)	(33,192)
Cash flows from investing activities:
Purchases of property and equipment	(17,815)	(7,932)
Purchases of short-term investments	(109,228)	0
Net cash used in investing activities	(127,043)	(7,932)
Cash flows from financing activities:
Proceeds from issuance of ordinary share upon initial public offering, net of underwriter discounts	0	171,889
Payments for IPO offering costs	0	(3,056)
Payments on technology license obligations	(308)	0
Proceeds from employee share incentive plans	4,595	1,936
Proceeds from issuance of convertible preferred shares, net of issuance costs	0	7,245
Net cash provided by financing activities	4,287	178,014
Effect of exchange rate changes on cash	(7)	(118)
Net decrease in cash and cash equivalents	(135,539)	136,772
Cash and cash equivalents at beginning of the period	259,322	103,757
Cash and cash equivalents at end of the period	123,783	240,529
Supplemental cash flow information:
Purchase of property and equipment included in accounts payable, accrued expenses and other liabilities	10,789	200
Conversion of convertible preferred share into ordinary share upon initial public offering	0	205,210
Deferred offering costs included in accounts payable and accrued expenses	$ 0	$ 2,239