Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jul. 29, 2023	Jul. 30, 2022
Cash flows from operating activities:
Net loss	$ (11,697)	$ (73)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,950	1,636
Share-based compensation	7,968	5,546
Warrant contra revenue	436	388
Write-downs for excess and obsolete inventory	181	911
Changes in operating assets and liabilities:
Accounts receivable	21,574	(25,245)
Inventories	5,049	(10,605)
Contract assets	1,397	4,040
Prepaid and other current assets	(859)	1,540
Other non-current assets	(2,505)	(560)
Accounts payable	2,483	9,714
Accrued expenses, compensation and other liabilities	(1,519)	(1,281)
Deferred revenue	(850)	1,770
Net cash provided by (used in) operating activities	24,608	(12,219)
Cash flows from investing activities:
Purchases of property and equipment	(5,312)	(5,258)
Maturities of short-term investments	59,228	0
Purchases of short-term investments	(60,526)	0
Net cash used in investing activities	(6,610)	(5,258)
Cash flows from financing activities:
Payments on technology license obligations	(2,726)	0
Proceeds from employee share incentive plans, net of tax withholding related to vesting of RSU	3,260	1,977
Net cash provided by financing activities	534	1,977
Effect of exchange rate changes on cash	(70)	(39)
Net increase (decrease) in cash and cash equivalents	18,462	(15,539)
Cash and cash equivalents at beginning of the period	108,583	259,322
Cash and cash equivalents at end of the period	127,045	243,783
Supplemental cash flow information:
Purchases of property and equipment included in accounts payable, accrued expenses and other liabilities	$ 5,243	$ 12,744