Condensed Consolidated Balance Sheets - USD ($)	Oct. 31, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 365,491,000	$ 145,491,000
Restricted cash	400,000	400,000
Accounts receivable, net of allowance of $2,643 as of October 31, 2021 and $2,000 as of January 31, 2021	66,104,000	35,075,000
Inventories	29,893,000	33,592,000
Prepaid expenses and other current assets	32,695,000	12,074,000
Total current assets	494,583,000	226,632,000
Property and equipment, net	34,726,000	29,988,000
Intangible assets, net	142,539,000	0
Operating lease right-of-use assets	23,621,000	21,817,000
Goodwill	200,681,000	1,215,000
Other assets	5,327,000	10,468,000
Total assets	901,477,000	290,120,000
Current liabilities:
Accounts payable	32,084,000	19,784,000
Accrued and other current liabilities	76,473,000	47,162,000
Deferred revenue	58,877,000	40,934,000
Debt, current	0	10,208,000
Total current liabilities	167,434,000	118,088,000
Deferred revenue, noncurrent	62,364,000	48,896,000
Debt, noncurrent	0	24,686,000
Operating lease liabilities	23,795,000	22,459,000
Deferred tax liabilities	28,351,000	0
Common stock warrant liabilities	29,282,000	75,843,000
Other long-term liabilities	4,852,000	972,000
Total liabilities	316,078,000	290,944,000
Commitments and contingencies (Note 7)
Temporary Equity [Abstract]
Redeemable convertible preferred stock: $0.0001 par value; 0 and 185,180,248 shares authorized as of October 31, 2021 and January 31, 2021, respectively; 0 and 182,934,257 shares issued and outstanding as of October 31, 2021 and January 31, 2021, respectively (liquidation value: $— and $17,492,964 as of October 31, 2021 and January 31, 2021, respectively)	0	615,697,000
Stockholders’ equity (deficit):
Common stock: $0.0001 par value; 1,000,000,000 and 299,771,284 shares authorized as of October 31, 2021 and January 31, 2021, respectively; 330,964,104 and 22,961,032 shares issued and outstanding as of October 31, 2021 and January 31, 2021, respectively	33,000	2,000
Preferred stock, $0.0001 par value; 10,000,000 and 0 shares authorized as of October 31, 2021 and January 31, 2021, respectively; 0 issued and outstanding as of October 31, 2021 and January 31, 2021	0	0
Additional paid-in capital	1,337,247,000	62,736,000
Accumulated other comprehensive income (loss)	(376,000)	155,000
Accumulated deficit	(751,505,000)	(679,414,000)
Total stockholders’ equity (deficit)	585,399,000	(616,521,000)
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity (deficit)	$ 901,477,000	$ 290,120,000