Financial Instruments and Fair Value (Tables)

9 Months Ended

Oct. 31, 2021

Investments All Other Investments [Abstract]

Schedule of Available-for-Sale Securities at Fair Value

As of October 31, 2021, the Company fully liquidated all of the investments and reported the remaining cash equivalents in the condensed consolidated balance sheets as follows:

	As of October 31, 2021
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	20	$	—	$	—		$	20
Commercial paper		—		—		—			—
Corporate bonds		—		—		—			—
Asset-backed securities		—		—		—			—
U.S. government securities		—		—		—			—
Total cash equivalents and marketable debt securities	$	20	$	—	$	—		$	20
	As of January 31, 2021
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	171	$	—	$	—		$	171
Commercial paper		66,181		—		—			66,181
Corporate bonds		102,108		980		(7	)		103,081
Asset-backed securities		15,740		164		—			15,904
U.S. government securities		29,383		82		—			29,465
Total cash equivalents and marketable debt securities	$	213,583	$	1,226	$	(7	)	$	214,802

Schedule of Cash Equivalents and Marketable Debt Securities

	As of
	October 31, 2021		January 31, 2021
	(in thousands)
Included in cash equivalents	$	20	$	15,368
Included in marketable debt securities		—		199,434
Total cash equivalents and marketable debt securities	$	20	$	214,802

Summary of Contractual Maturities of Investments

 The contractual maturities of the investments at October 31, 2021 and January 31, 2021 were as follows:

	As of
	October 31, 2021		January 31, 2021
	(in thousands)
Due within one year	$	20	$	135,899
Due within one to three years		—		78,903
Total cash equivalents and marketable debt securities	$	20	$	214,802

Schedule of Fair Value of Financial Instruments Measured on Recurring Basis

	As of October 31, 2021
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	20	$	20	$	—	$	—
Commercial paper		—		—		—		—
Corporate bonds		—		—		—		—
Asset-backed securities		—		—		—		—
U.S. government securities		—		—		—		—
Total cash equivalents and marketable debt securities	$	20	$	20	$	—	$	—
	As of January 31, 2021
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	171	$	171	$	—	$	—
Commercial paper		66,181		—		66,181		—
Corporate bonds		103,081		—		103,081		—
Asset-backed securities		15,904		—		15,904		—
U.S. government securities		29,465		—		29,465		—
Total cash equivalents and marketable debt securities	$	214,802	$	171	$	214,631	$	—