Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Revenue
Total revenue	$ 150,494	$ 108,292	$ 280,523	$ 189,925
Cost of revenue
Total cost of revenue	149,369	90,139	248,863	159,665
Gross profit	1,125	18,153	31,660	30,260
Operating expenses
Research and development	59,642	51,804	109,039	100,105
Sales and marketing	39,671	33,873	76,711	66,460
General and administrative	25,144	22,846	49,164	43,893
Total operating expenses	124,457	108,523	234,914	210,458
Loss from operations	(123,332)	(90,370)	(203,254)	(180,198)
Interest income	1,840	1,460	4,300	1,566
Interest expense	(2,926)	(2,928)	(5,853)	(3,862)
Change in fair value of common stock warrant liabilities	0	0	0	(24)
Other income (expense), net	68	(1,254)	642	(1,702)
Net loss before income taxes	(124,350)	(93,092)	(204,165)	(184,220)
Provision for (benefit from) income taxes	905	(392)	478	(2,254)
Net loss	$ (125,255)	$ (92,700)	$ (204,643)	$ (181,966)
Weighted average shares outstanding - basic (in shares)	355,876,807	336,813,555	353,008,473	335,736,772
Weighted average shares outstanding - diluted (in shares)	355,876,807	336,813,555	353,008,473	335,736,772
Net loss per share - basic (in USD per share)	$ (0.35)	$ (0.28)	$ (0.58)	$ (0.54)
Net loss per share - diluted (in USD per share)	$ (0.35)	$ (0.28)	$ (0.58)	$ (0.54)
Networked charging systems
Revenue
Total revenue	$ 114,574	$ 84,148	$ 212,894	$ 143,699
Cost of revenue
Total cost of revenue	126,961	74,352	207,883	130,618
Subscriptions
Revenue
Total revenue	30,011	20,244	56,376	37,890
Cost of revenue
Total cost of revenue	18,692	13,278	33,497	23,905
Other
Revenue
Total revenue	5,909	3,900	11,253	8,336
Cost of revenue
Total cost of revenue	$ 3,716	$ 2,509	$ 7,483	$ 5,142