Goodwill and Intangible Assets

12 Months Ended

Jul. 31, 2022

Goodwill and Intangible Assets [Abstract]

Goodwill and intangible assets

Note 2 – Goodwill and intangible assets

Goodwill

The Company’s net carrying amount of goodwill is in the Clinical Laboratory Services segment and is $7,452 as of July 31, 2022 and 2021.

Intangible assets

The Company’s change in the net carrying amount of intangible assets, all in the Life Sciences Products segment is as follows:

	Gross			Accumulated Amortization			Net
July 31, 2020	$	27,686		$	(27,148	)	$	538
Amortization expense		—			(296	)		(296	)
Foreign currency translation		89			(87	)		2
July 31, 2021	$	27,775		$	(27,531	)	$	244
Amortization expense		—			(239	)		(239	)
Foreign currency translation		(512	)		507			(5	)
July 31, 2022	$	27,263		$	(27,263	)	$	—

Intangible assets, all finite-lived and fully amortized as of July 31, 2022, consist of the following:

	July 31, 2022							July 31, 2021
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Patents	$	11,027		(11,027	)	$	—	$	11,027	$	(11,027	)	$	—
Customer relationships		11,771		(11,771	)		—		12,059		(11,815	)		244
Website and acquired content		1,011		(1,011	)		—		1,025		(1,025	)		—
Licensed technology and other		470		(470	)		—		494		(494	)		—
Trademarks		2,984		(2,984	)		—		3,170		(3,170	)		—
Total	$	27,263		(27,263	)	$	—	$	27,775	$	(27,531	)	$	244

Amortization expense for the years ended July 31, 2022, 2021, and 2020 was $239, $296 and $524, respectively.