Condensed Consolidated Statements of Convertible Preferred Shares and Shareholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Series D+	Ordinary Shares	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Apr. 30, 2021	50,809,000
Beginning balance at Apr. 30, 2021	$ 197,965
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of Series D+ convertible preferred shares, net of issuance costs (in shares)		1,251,000
Issuance of Series D+ convertible preferred shares, net of issuance costs		$ 7,245
Ending balance (in shares) at Jul. 31, 2021	52,060,000
Ending balance at Jul. 31, 2021	$ 205,210
Beginning balance (in shares) at Apr. 30, 2021			68,282,000
Beginning balance at Apr. 30, 2021	(55,431)		$ 3	$ 12,592	$ 227	$ (68,253)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued under equity incentive plans (in shares)			554,000
Ordinary shares issued under equity incentive plans	461			461
Share-based compensation	1,075			1,075
Total comprehensive loss	(12,582)				(5)	(12,577)
Ending balance (in shares) at Jul. 31, 2021			68,836,000
Ending balance at Jul. 31, 2021	$ (66,477)		$ 3	14,128	222	(80,830)
Beginning balance (in shares) at Apr. 30, 2021	50,809,000
Beginning balance at Apr. 30, 2021	$ 197,965
Ending balance (in shares) at Jan. 31, 2022	0
Ending balance at Jan. 31, 2022	$ 0
Beginning balance (in shares) at Apr. 30, 2021			68,282,000
Beginning balance at Apr. 30, 2021	(55,431)		$ 3	12,592	227	(68,253)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive loss	(17,026)
Ending balance (in shares) at Jan. 31, 2022			141,020,000
Ending balance at Jan. 31, 2022	$ 305,689		$ 7	390,734	22	(85,074)
Beginning balance (in shares) at Jul. 31, 2021	52,060,000
Beginning balance at Jul. 31, 2021	$ 205,210
Ending balance (in shares) at Oct. 31, 2021	52,060,000
Ending balance at Oct. 31, 2021	$ 205,210
Beginning balance (in shares) at Jul. 31, 2021			68,836,000
Beginning balance at Jul. 31, 2021	(66,477)		$ 3	14,128	222	(80,830)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued under equity incentive plans (in shares)			667,000
Ordinary shares issued under equity incentive plans	587			587
Share-based compensation	1,307			1,307
Total comprehensive loss	(4,068)				32	(4,100)
Ending balance (in shares) at Oct. 31, 2021			69,503,000
Ending balance at Oct. 31, 2021	$ (68,651)		$ 3	16,022	254	(84,930)
Increase (Decrease) in Temporary Equity [Roll Forward]
Conversion of preferred shares into ordinary shares (in shares)	(52,060,000)
Conversion of preferred shares into ordinary shares	$ (205,210)
Ending balance (in shares) at Jan. 31, 2022	0
Ending balance at Jan. 31, 2022	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of convertible preferred shares to ordinary shares (in shares)			52,060,000
Conversion of preferred shares into ordinary shares	205,210		$ 3	205,207
Ordinary shares issued under equity incentive plans (in shares)			1,073,000
Ordinary shares issued under equity incentive plans	1,067			1,067
Share-based compensation	1,438			1,438
Warrant contra revenue	407			407
Total comprehensive loss	(376)				(232)	(144)
Issuance of common stock in connection with initial public offering, net of offering costs, underwriting discounts and commissions (in shares)			18,384,000
Issuance of common stock in connection with initial public offering, net of offering costs, underwriting discounts and commissions	166,594		$ 1	166,593
Ending balance (in shares) at Jan. 31, 2022			141,020,000
Ending balance at Jan. 31, 2022	$ 305,689		$ 7	390,734	22	(85,074)
Beginning balance (in shares) at Jan. 30, 2022	52,059,826	9,881,000
Ending balance (in shares) at Jan. 31, 2022	0
Ending balance at Jan. 31, 2022	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of convertible preferred shares to ordinary shares (in shares)	52,059,826
Ending balance (in shares) at Jan. 31, 2022			141,020,000
Ending balance at Jan. 31, 2022	$ 305,689		$ 7	390,734	22	(85,074)
Beginning balance (in shares) at Apr. 30, 2022	0
Beginning balance at Apr. 30, 2022	$ 0
Ending balance (in shares) at Jul. 30, 2022	0
Ending balance at Jul. 30, 2022	$ 0
Beginning balance (in shares) at Apr. 30, 2022	144,755,000		144,755,000
Beginning balance at Apr. 30, 2022	$ 334,163		$ 7	424,562	23	(90,429)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued under equity incentive plans (in shares)			589,000
Ordinary shares issued under equity incentive plans	1,977			1,977
Share-based compensation	5,546			5,546
Warrant contra revenue	388			388
Total comprehensive loss	(169)				(96)	(73)
Ending balance (in shares) at Jul. 30, 2022			145,344,000
Ending balance at Jul. 30, 2022	$ 341,905		$ 7	432,473	(73)	(90,502)
Beginning balance (in shares) at Apr. 30, 2022	0
Beginning balance at Apr. 30, 2022	$ 0
Ending balance (in shares) at Jan. 28, 2023	0
Ending balance at Jan. 28, 2023	$ 0
Beginning balance (in shares) at Apr. 30, 2022	144,755,000		144,755,000
Beginning balance at Apr. 30, 2022	$ 334,163		$ 7	424,562	23	(90,429)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive loss	$ (702)
Ending balance (in shares) at Jan. 28, 2023	147,430,000		147,430,000
Ending balance at Jan. 28, 2023	$ 354,553		$ 7	445,654	(69)	(91,039)
Beginning balance (in shares) at Jul. 30, 2022	0
Beginning balance at Jul. 30, 2022	$ 0
Ending balance (in shares) at Oct. 29, 2022	0
Ending balance at Oct. 29, 2022	$ 0
Beginning balance (in shares) at Jul. 30, 2022			145,344,000
Beginning balance at Jul. 30, 2022	341,905		$ 7	432,473	(73)	(90,502)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued under equity incentive plans (in shares)			1,142,000
Ordinary shares issued under equity incentive plans	741			741
Share-based compensation	4,891			4,891
Warrant contra revenue	247			247
Total comprehensive loss	(3,680)				(320)	(3,360)
Ending balance (in shares) at Oct. 29, 2022			146,486,000
Ending balance at Oct. 29, 2022	$ 344,104		$ 7	438,352	(393)	(93,862)
Ending balance (in shares) at Jan. 28, 2023	0
Ending balance at Jan. 28, 2023	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ordinary shares issued under equity incentive plans (in shares)			944,000
Ordinary shares issued under equity incentive plans	1,873			1,873
Share-based compensation	5,169			5,169
Warrant contra revenue	260			260
Total comprehensive loss	$ 3,147				324	2,823
Ending balance (in shares) at Jan. 28, 2023	147,430,000		147,430,000
Ending balance at Jan. 28, 2023	$ 354,553		$ 7	$ 445,654	$ (69)	$ (91,039)