Goodwill and intangible assets

3 Months Ended

Oct. 31, 2020

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 October 31, 2020 and 2019.

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		—			(75	)		(75	)
Foreign currency translation		(64	)		61			(3	)
October 31, 2020	$	27,622		$	(27,162	)	$	460

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

	October 31, 2020							July 31, 2020
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Patents	$	11,027	$	(11,019	)	$	8	$	11,027		(11,014	)	$	13
Customer relationships		11,968		(11,516	)		452		12,003		(11,478	)		525
Website and acquired content		1,020		(1,020	)		—		1,022		(1,022	)		—
Licensed technology and other		481		(481	)		—		483		(483	)		—
Trademarks		3,126		(3,126	)		—		3,151		(3,151	)		—
Total	$	27,622	$	(27,162	)	$	460	$	27,686		(27,148	)	$	538

At October 31, 2020, information with respect to acquired intangibles is as follows:

	Useful life assigned	Weighted average remaining useful life
Customer relationships	8 -15 years	2 years

At October 31, 2020, the weighted average remaining useful life of all intangible assets was approximately two years.