Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Revenue:
Total revenue	$ 40,414,000	$ 60,864,000
Cost of revenue:
Total cost of revenue	19,900,000	30,184,000
Gross profit	20,514,000	30,680,000
Operating expenses:
Research and development (includes related party expenses of $571 and $3,301 for the three months ended June 30, 2024 and 2023, respectively)	44,637,000	62,329,000
Sales and marketing	15,472,000	22,658,000
General and administrative	32,360,000	50,740,000
Restructuring and other charges	0	4,217,000
Total operating expenses	92,469,000	139,944,000
Loss from operations	(71,955,000)	(109,264,000)
Other income (expense):
Interest income, net	2,574,000	4,307,000
Other income (expense), net	(19,000)	333,000
Loss before income taxes	(69,400,000)	(104,624,000)
Net loss	(69,400,000)	(104,624,000)
Other comprehensive loss, net of tax	0	(334,000)
Total comprehensive loss	$ (69,400,000)	$ (104,958,000)
Net loss per share of Class A and Class B common stock attributable to common stockholders:
Basic (in usd per share)	$ (0.14)	$ (0.23)
Diluted (in usd per share)	$ (0.14)	$ (0.23)
Weighted-average shares used to compute net loss per share:
Basic (in shares)	495,892,915	462,254,442
Diluted (in shares)	495,892,915	462,254,442
Service
Revenue:
Total revenue	$ 34,679,000	$ 53,260,000
Cost of revenue:
Total cost of revenue	17,249,000	26,946,000
Product
Revenue:
Total revenue	5,735,000	7,604,000
Cost of revenue:
Total cost of revenue	$ 2,651,000	$ 3,238,000