Revenue

3 Months Ended

Jul. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of Revenue

The following table presents revenue by geographical region (in thousands):

	Three Months Ended July 31,
	2021		2020
North America (1)	$	36,452	$	28,805
Europe, the Middle East and Africa (1)	12,219		10,253
Asia Pacific (1)	3,735		1,425
Total revenue	$	52,406	$	40,483

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(1)The United States comprised 69% and 71% of the Company’s revenue in the three months ended July 31, 2021 and 2020, respectively. France comprised 13% and 11% of the Company’s revenue in the three months ended July 31, 2021 and 2020, respectively. No other country comprised 10% or greater of the Company’s revenue for each of the three months ended July 31, 2021 and 2020.

Deferred Revenue

The following table reflects the deferred revenue balance (in thousands):

	As of July 31,		As of April 30,
	2021		2021
Deferred revenue, current	$	98,217	$	72,263
Deferred revenue, non-current	1,680		2,964
Total deferred revenue	$	99,897	$	75,227

Significant changes in the deferred revenue balances during the three months ended July 31, 2021 and 2020 were as follows (in thousands):

	Deferred Revenue
April 30, 2021	$	75,227
Performance obligations satisfied during the period that were included in the deferred revenue balance at the beginning of the year	(38,319)
Increases due to invoicing prior to satisfaction of performance obligations	62,989
July 31, 2021	$	99,897

	Deferred Revenue
April 30, 2020	$	60,295
Performance obligations satisfied during the period that were included in the deferred revenue balance at the beginning of the year	(24,337)
Increases due to invoicing prior to satisfaction of performance obligations	71,286
July 31, 2020	$	107,244

Remaining Performance Obligation

Remaining performance obligations are committed and represent non-cancellable contracted revenue that has not yet been recognized and will be recognized as revenue in future periods. Some contracts allow customers to cancel the contracts without a significant penalty, and the cancellable amount of contract value is not included in the remaining performance obligations.

The Company excludes amounts related to performance obligations and usage-based royalties that are billed and recognized as they are delivered or billed and recognized in the same period. This primarily consists of monthly usage-based runtime and hosting charges in the duration of some revenue contracts.

Revenue expected to be recognized from remaining performance obligations was approximately $290.6 million and $293.8 million as of July 31, 2021 and April 30, 2021, respectively, of which $145.0 million and $145.2 million is expected to be recognized over the next 12 months and the remainder thereafter, respectively.

Customer Concentration and Accounts Receivable

All of the Company’s customers consist of corporate and governmental entities. A limited number of customers have accounted for a large part of the Company’s revenue and accounts receivable to date. Two separate customers accounted for 23% and 13%, respectively, of revenue for the three months ended July 31, 2021. Two separate customers accounted for 17% and 11%, respectively, of revenue for the three months ended July 31, 2020. Three separate customers accounted for 23%, 17%, and 15% of accounts receivable at July 31, 2021. Four separate customers accounted for 18%, 14%, 14% and 11% of accounts receivable at April 30, 2021.

Accounts receivable includes billed and unbilled receivables, net of allowance of doubtful accounts. Trade accounts receivable are recorded at invoiced amounts and do not bear interest. The expectation of collectability is based on a review of credit profiles of customers, contractual terms and conditions, current economic trends, and historical payment experience. The

Company regularly reviews the adequacy of the allowance for doubtful accounts by considering the age of each outstanding invoice and the collection history of each customer to determine the appropriate amount of allowance for doubtful accounts. Accounts receivable included unbilled receivables as of July 31, 2021 and April 30, 2021 of $1.5 million and $3.8 million, respectively.