Accounts Receivable, Unbilled Services and Deferred Revenue (Tables)

9 Months Ended

Jan. 31, 2021

Receivables [Abstract]

Summary of accounts receivable, unbilled services, and advanced billings

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

	January 31, 2021		April 30, 2020
Accounts receivable	$	3,333	$	2,655
Unbilled services	3,126		2,404
Total accounts receivable and unbilled services	6,459		5,059
Less allowance for doubtful accounts	(338)		(289)
Total accounts receivable, net	$	6,121	$	4,770

Summary of advanced billings

Deferred revenue was as follows (in thousands):

	January 31, 2021		April 30, 2020
Deferred revenue	$	6,615	$	5,815