Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Revenue
Total revenue	$ 81,633,000	$ 40,510,000
Cost of revenue
Total cost of revenue	69,526,000	31,293,000
Gross profit	12,107,000	9,217,000
Operating expenses
Research and development	48,302,000	25,374,000
Sales and marketing	32,588,000	15,974,000
General and administrative	21,047,000	14,467,000
Total operating expenses	101,937,000	55,815,000
Loss from operations	(89,830,000)	(46,598,000)
Interest income	106,000	22,000
Interest expense	(933,000)	(1,499,000)
Change in fair value of contingent earnout liability	0	84,420,000
Transaction costs expensed	0	(7,031,000)
Other (expense) income, net	(447,000)	15,000
Net income (loss) before income taxes	(91,128,000)	82,327,000
Provision for (benefit from) income taxes	(1,862,000)	38,000
Net income (loss)	(89,266,000)	82,289,000
Cumulative dividends on redeemable convertible preferred stock	0	(4,292,000)
Deemed dividends attributable to vested option holders	0	(51,855,000)
Deemed dividends attributable to common stock warrant holders	0	(110,635,000)
Net loss attributable to common stockholders - Basic	(89,266,000)	(84,493,000)
Gain attributable to earnout shares issued	0	(53,820,000)
Change in fair value of dilutive warrants	0	(49,471,000)
Net loss attributable to common stockholders - Diluted	$ (89,266,000)	$ (187,784,000)
Weighted average shares outstanding - Basic (in shares)	334,623,695	218,615,863
Weighted average shares outstanding - Diluted (in shares)	334,623,695	225,533,389
Net loss per share - Basic (USD per share)	$ (0.27)	$ (0.39)
Net loss per share - Diluted (USD per share)	$ (0.27)	$ (0.83)
Redeemable convertible preferred stock warrant liability
Operating expenses
Change in fair value of warrant liabilities	$ 0	$ 9,237,000
Common Stock Warrant Liability
Operating expenses
Change in fair value of warrant liabilities	(24,000)	43,761,000
Networked charging systems
Revenue
Total revenue	59,551,000	26,800,000
Cost of revenue
Total cost of revenue	56,266,000	23,742,000
Subscriptions
Revenue
Total revenue	17,646,000	10,824,000
Cost of revenue
Total cost of revenue	10,628,000	5,640,000
Other
Revenue
Total revenue	4,436,000	2,886,000
Cost of revenue
Total cost of revenue	$ 2,632,000	$ 1,911,000