Goodwill and Intangible Assets

9 Months Ended

Apr. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and intangible assets

Note 6 – 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 April 30, 2022 and July 31, 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, 2021	$	27,775		$	(27,531	)	$	244
Amortization expense		—			(210	)		(210	)
Foreign currency translation		(534	)		529			(5	)
April 30, 2022	$	27,241		$	(27,212	)	$	29

Intangible assets, all finite-lived, consist of the following:

	April 30, 2022							July 31, 2021
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Patents	$	11,027	$	(11,027	)	$	—	$	11,027		(11,027	)	$	—
Customer relationships		11,768		(11,739	)		29		12,059		(11,815	)		244
Website and acquired content		1,008		(1,008	)		—		1,025		(1,025	)		—
Licensed technology and other		476		(476	)		—		494		(494	)		—
Trademarks		2,962		(2,962	)		—		3,170		(3,170	)		—
Total	$	27,241	$	(27,212	)	$	29	$	27,775		(27,531	)	$	244

At April 30, 2022, information with respect to acquired intangibles is as follows:

	Useful life assigned	Weighted average remaining useful life
Customer relationships	8 -15 years	0.25 years

At April 30, 2022, the weighted average remaining useful life of all intangible assets was less than three months.