Revenues (Tables)

3 Months Ended

Apr. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenue by Geographic Region

Revenues by geographic region were as follows:

	Three Months Ended April 30,
	2021		2022
United States	$	53,326	$	79,929
International	9,029		14,282
	$	62,355	$	94,211

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable, less allowance for doubtful accounts, is as follows as of January 31, 2022 and April 30, 2022:

	As of January 31, 2022		As of April 30, 2022
Trade accounts receivable	$	71,417	$	70,132
Unbilled accounts receivable	2,161		2,052
Allowance for doubtful accounts	(151)		(166)
Other accounts receivable1	1,101		804
Total accounts receivable, net	$	74,528	$	72,822

1Includes $0.5 million and $0.3 million income tax receivable of as of January 31, 2022 and April 30, 2022, respectively.