Revenue Recognition (Tables)

9 Months Ended

Apr. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of segment revenue and revenue percentage

	Three months ended April 30, 2021				Three months ended April 30, 2020
Revenue category
Third-party payer	$	16,135	64	%	$	5,082	52	%
Medicare		2,952	12			1,870	19
Patient self-pay		2,468	10			1,655	17
HMO’s		3,463	14			1,132	12
Total	$	25,018	100	%	$	9,739	100	%

	Nine months ended April 30, 2021				Nine months ended April 30, 2020
Revenue category
Third-party payer	$	44,138	63	%	$	17,878	51	%
Medicare		10,265	15			8,048	23
Patient self-pay		6,524	9			4,621	13
HMO’s		9,302	13			4,485	13
Total	$	70,229	100	%	$	35,032	100	%

Schedule of product revenue by geographical

	Three Months Ended April 30				Nine Months Ended April 30
	2021		2020		2021		2020
United States	$	3,941	$	3,520	$	11,410	$	11,854
Europe		2,732		1,802		7,798		5,777
Asia Pacific		1,106		1,095		3,481		3,084
Products revenue	$	7,779	$	6,417	$	22,689	$	20,715