Accounts Receivable, Unbilled Services and Deferred Revenue (Tables)

3 Months Ended

Jul. 31, 2021

Receivables [Abstract]

Summary of accounts receivable, unbilled services, and advanced billings

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

	July 31, 2021		April 30, 2021
Accounts receivable	$	4,465	$	4,304
Unbilled services	3,684		3,020
Total accounts receivable and unbilled services	8,149		7,324
Less allowance for doubtful accounts	(416)		(338)
Total accounts receivable, net	$	7,733	$	6,986

Summary of advanced billings

Deferred revenue was as follows (in thousands):

	July 31, 2021		April 30, 2021
Deferred revenue	$	5,481	$	6,256