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GOODWILL AND INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2021

Intangible Assets, Net (Excluding Goodwill) [Abstract]

INTANGIBLE ASSETS

The components of intangible assets for each of the years ended December 31, 2021 and 2020, were as follows (amounts in thousands):


	Weighted- Average Useful Lives (in Years)	2021		2020
Amortizable intangible assets:

Patents, trademarks, and other	11.41	$	10,084	$	10,181
Total at cost		10,084		10,181
Less accumulated amortization		(8,586)		(8,206)
		$	1,498	$	1,975

During the fourth quarter of 2020, the Company recorded an impairment charge of $6.0 million related to the customer relationships intangible asset in Australia as a result of attrition of several customers since the business was initially acquired in 2012.

Amortization related to intangible assets for the years 2021, 2020, and 2019 totaled $0.6 million, $2.3 million, and $2.2 million, respectively.

The estimated aggregate amortization expense at December 31, 2021, for each of the years (or other periods) set forth below was as follows (amounts in thousands):


2022	$	145
2023	145
2024	132
2025	123
2026	123
Thereafter	830
	$	1,498