Revenue Recognition (Tables)

6 Months Ended

Oct. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Contract Balances

	October 31, 2020		April 30, 2020
	(in thousands)
Deferred revenue, current	31,206		34,227
Deferred revenue, long-term	—		—
Total deferred revenue	$	31,206	$	34,227

Schedule of Revenue by Geography

The Company’s revenue by geography is as follows:

	Three Months Ended October 31,				Six Months Ended October 31,
	2020		2019		2020		2019
	(in thousands)				(in thousands)
Revenues:
Domestic	$	23,659	$	22,763	$	46,799	$	44,174
International	4,222		5,447		8,360		11,419
	$	27,881	$	28,210	$	55,159	$	55,593