Accounts Receivable, Unbilled Services and Deferred Revenue (Tables)

9 Months Ended

Jan. 31, 2022

Receivables [Abstract]

Summary of accounts receivable, unbilled services, and advanced billings

Accounts receivable and unbilled services were as follows (in thousands):

	January 31, 2022		April 30, 2021
Accounts receivable	$	4,858	$	4,304
Unbilled services	4,160		3,020
Total accounts receivable and unbilled services	9,018		7,324
Less allowance for doubtful accounts	(455)		(338)
Total accounts receivable, net	$	8,563	$	6,986

Summary of advanced billings

Deferred revenue was as follows (in thousands):

	January 31, 2022		April 30, 2021
Deferred revenue	$	8,701	$	6,256