Goodwill and Intangible Assets

12 Months Ended

Jul. 31, 2021

Goodwill and Intangible Assets Disclosure [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, 2021 and 2020.

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, 2019	$	27,238	$	(26,206	)	$	1,032
Amortization expense		—		(524	)		(524	)
Foreign currency translation		448		(418	)		30
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

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

	July 31, 2021							July 31, 2020
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Patents	$	11,027		(11,027	)	$	—	$	11,027	$	(11,014	)	$	13
Customer relationships		12,059		(11,815	)		244		12,003		(11,478	)		525
Website and acquired content		1,025		(1,025	)		—		1,022		(1,022	)		—
Licensed technology and other		494		(494	)		—		483		(483	)		—
Trademarks		3,170		(3,170	)		—		3,151		(3,151	)		—
Total	$	27,775		(27,531	)	$	244	$	27,686	$	(27,148	)	$	538

At July 31, 2021, information with respect to acquired intangibles is as follows:

	Useful life assigned		Weighted average remaining useful life
Customer relationships		8-15 years		Less than 1 year

At July 31, 2021, the weighted average remaining useful life of intangible assets was less than one year.

Estimated amortization expense related to these finite-lived intangible assets for the five succeeding fiscal years ending July 31 is as follows:

2022	$	244
2023		—
2024		—
2025		—
2026		—

Amortization expense for the years ended July 31, 2021, 2020, and 2019 was $296, $524 and $842, respectively.