Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Revenue
Revenue	$ 40,510	$ 32,776
Cost of revenue
Cost of revenue	31,293	25,012
Gross profit	9,217	7,764
Operating expenses
Research and development	25,374	18,026
Sales and marketing	15,974	14,201
General and administrative	14,467	5,089
Total operating expenses	55,815	37,316
Loss from operations	(46,598)	(29,552)
Interest income	22	243
Interest expense	(1,499)	(835)
Change in fair value of redeemable convertible preferred stock warrant liability	9,237	535
Change in fair value of common stock warrant liabilities	43,761
Change in fair value of contingent earnout liability	84,420
Transaction costs expensed	(7,031)
Other income (expense), net	15	(432)
Net income (loss) before income taxes	82,327	(30,041)
Provision for income taxes	38	57
Net income (loss)	82,289	(30,098)
Cumulative dividends on redeemable convertible preferred stock	(4,292)
Deemed dividends attributable to vested option holders	(51,855)
Deemed dividends attributable to common stock warrant holders	(110,635)
Net loss attributable to common stockholders - Basic	(84,493)	(30,098)
Gain attributable to earnout shares issued	(53,820)
Change in fair value of dilutive warrants	(49,471)
Net loss attributable to common stockholders - Diluted	$ (187,784)	$ (30,098)
Weighted average shares outstanding - Basic	218,615,863	12,253,092
Weighted average shares outstanding - Diluted	225,533,389	12,253,092
Net loss per share - Basic	$ (0.39)	$ (2.46)
Net loss per share - Diluted	$ (0.83)	$ (2.46)
Networked charging systems [Member]
Revenue
Revenue	$ 26,800	$ 19,657
Cost of revenue
Cost of revenue	23,742	18,616
Subscriptions [Member]
Revenue
Revenue	10,824	9,004
Cost of revenue
Cost of revenue	5,640	4,773
Other [Member]
Revenue
Revenue	2,886	4,115
Cost of revenue
Cost of revenue	$ 1,911	$ 1,623