Revenue (Tables)

9 Months Ended

Apr. 30, 2021

Revenue [Abstract]

Schedule of revenue by type of service

	Three Months Ended				Nine Months Ended
	April 30,				April 30,
	2021		2020		2021		2020
	(in thousands)				(in thousands)
Advertising revenue	$	4,227	$	1,501	$	11,612	$	5,428
Paid subscription revenue		899		455		2,358		985
Other revenues		126		123		358		343
Total Revenues	$	5,252	$	2,079	$	14,328	$	6,756