Financial Instruments and Fair Value (Tables)

9 Months Ended

Oct. 31, 2022

Investments All Other Investments [Abstract]

Schedule of Fair Value as Available-for-Sale Securities

The debt security investment portfolio consists of commercial paper, debt securities of corporations or corporate bonds, asset-backed securities and U.S. government securities. All of the investments are denominated in United States dollars and reported at fair value as available-for-sale securities in the condensed consolidated balance sheets as follows:

	As of October 31, 2022
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	13,525	$	—	$	—		$	13,525
Commercial paper		18,161		—		—			18,161
Corporate bonds		21,390		1		(425	)		20,966
Asset-backed securities		16,287		—		(260	)		16,027
U.S. government securities		31,402		—		(359	)		31,043
Total cash equivalents and marketable debt securities	$	100,765	$	1	$	(1,044	)	$	99,722

	As of January 31, 2022
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
	(in thousands)
Money market funds	$	20	$	—	$	—		$	20
Total cash equivalents and marketable debt securities	$	20	$	—	$	—		$	20

Schedule of Cash Equivalents and Marketable Debt Securities

As of October 31, 2022, there were no debt securities with unrealized losses for more than twelve months.

	As of
	October 31, 2022		January 31, 2022
	(in thousands)
Included in cash equivalents	$	13,525	$	20
Included in marketable debt securities		86,197		—
Total cash equivalents and marketable debt securities	$	99,722	$	20

Summary of Contractual Maturities of Investments

The contractual maturities of the investments at October 31, 2022 and January 31, 2022 were as follows:

	As of
	October 31, 2022		January 31, 2022
	(in thousands)
Less than one year	$	54,829	$	20
Due in 1 - 5 years		44,893		—
Total cash equivalents and marketable debt securities	$	99,722	$	20

Schedule of Fair Value of Financial Instruments Measured on Recurring Basis

The following tables present the fair value of the financial instruments measured on a recurring basis as of October 31, 2022 and January 31, 2022, respectively:

	As of October 31, 2022
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	13,525	$	13,525	$	—	$	—
Commercial paper		18,161		—		18,161		—
Corporate bonds		20,966		—		20,966		—
Asset-backed securities		16,027		—		16,027		—
U.S. government securities		31,043		—		31,043		—
Total cash equivalents and marketable debt securities	$	99,722	$	13,525	$	86,197	$	—

	As of January 31, 2022
	Total		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	20	$	20	$	—	$	—
Total cash equivalents and marketable debt securities	$	20	$	20	$	—	$	—