Revenue Recognition (Tables)

9 Months Ended

Apr. 30, 2023

Revenue Recognition [Abstract]

Schedule of clinical services net revenues and percentages

	Three months ended April 30, 2023				Three months ended April 30, 2022
Revenue category
Third-party payer	$	4,451	52	%	$	10,817	58	%
Medicare		1,500	17			2,436	13
Patient self-pay		1,304	15			2,177	12
HMOs		1,367	16			3,200	17
Total	$	8,622	100	%	$	18,630	100	%

	Nine months ended April 30, 2023				Nine months ended April 30, 2022
Revenue category
Third-party payer	$	15,638	55	%	$	36,962	60	%
Medicare		5,170	18			7,949	13
Patient self-pay		3,516	12			6,727	10
HMOs		4,295	15			10,407	17
Total	$	28,619	100	%	$	62,045	100	%

Schedule of products revenue by geography

	Three Months Ended April 30				Nine Months Ended April 30
	2023		2022		2023		2022
United States	$	5,043	$	4,422	$	13,282	$	15,039
Europe		1,688		2,169		5,869		6,576
Asia Pacific		754		1,001		2,951		3,127
Products revenue	$	7,485	$	7,592	$	22,102	$	24,742