Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue:
Total revenue		$ 44,071	$ 49,999	$ 84,485	$ 110,863
Cost of revenue:
Total cost of revenue		21,664	28,270	41,564	58,453
Gross profit		22,407	21,729	42,921	52,410
Operating expenses:
Research and development (includes related party expenses of $(386) and $4,907 for the three months ended September 30, 2024 and 2023, respectively, and $185 and $8,208 for the six months ended September 30, 2024 and 2023, respectively)		41,041	54,588	85,678	116,917
Sales and marketing		16,874	18,328	32,346	40,986
General and administrative		23,418	25,290	55,778	76,030
Restructuring and other charges		2,242	2,654	2,242	6,871
Total operating expenses		83,575	100,860	176,044	240,804
Loss from operations		(61,168)	(79,131)	(133,123)	(188,394)
Other income (expense):
Interest income, net		2,009	3,752	4,583	8,059
Other income (expense), net		15	145	(4)	477
Loss before income taxes		(59,144)	(75,234)	(128,544)	(179,858)
Provision for (benefit from) income taxes		(41)	36	(41)	36
Net loss		(59,103)	(75,270)	(128,503)	(179,894)
Other comprehensive loss, net of tax		0	954	0	620
Total comprehensive loss		$ (59,103)	$ (74,316)	$ (128,503)	$ (179,274)
Net loss per share of Class A and Class B common stock attributable to common stockholders
Basic (in usd per share)	[1]	$ (2.32)	$ (3.17)	$ (5.11)	$ (7.68)
Diluted (in usd per share)	[1]	$ (2.32)	$ (3.17)	$ (5.11)	$ (7.68)
Weighted-average shares used to compute net loss per share
Basic (in shares)	[1]	25,519,658	23,742,914	25,151,988	23,429,600
Diluted (in shares)	[1]	25,519,658	23,742,914	25,151,988	23,429,600
Service
Revenue:
Total revenue		$ 38,514	$ 42,766	$ 73,193	$ 96,026
Cost of revenue:
Total cost of revenue		18,801	25,227	36,050	52,172
Product
Revenue:
Total revenue		5,557	7,233	11,292	14,837
Cost of revenue:
Total cost of revenue		$ 2,863	$ 3,043	$ 5,514	$ 6,281

[1] Amounts have been adjusted to reflect the reverse stock split that became effective on October 16, 2024. Refer to Note 2, “Summary of Significant Accounting Policies” and Note 19, “Subsequent Events,” for further information about the reverse stock split.