Marketable Securities (Tables)

3 Months Ended

Apr. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

The following is a summary of our marketable securities (in thousands): 

	As of April 30, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Commercial paper	$	15,359	$	—	$	—	$	15,359
Corporate bonds	94,315		—		(705)		93,610
Municipal bonds	13,234		—		(90)		13,144
Total marketable securities	$	122,908	$	—	$	(795)	$	122,113

	As of January 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Commercial paper	$	15,343	$	—	$	—	$	15,343
Corporate bonds	91,735		—		(303)		91,432
Municipal bonds	9,197		—		(32)		9,165
Total marketable securities	$	116,275	$	—	$	(335)	$	115,940