7. Goodwill and Other Intangible Assets

All of the Company’s $47,150 of goodwill is included in the U.S. Debit and Credit segment at December 31, 2019 and 2018.

In connection with the sale of the Company’s U.K. Limited segment, the Company performed a goodwill impairment test and recorded a charge of $6,366 in discontinued operations during the year ended December 31, 2018. The impairment was a result of continued market softness in the U.K. operations, resulting in lower sales and margins and an expected sale price below the carrying value of the segment.

The Company completed its goodwill impairment testing as of October 1, 2019, and no impairments were recognized as a result of this analysis.

CPI’s amortizable intangible assets consist of customer relationships, technology and software, and trademarks. Total intangible assets are being amortized over a weighted-average useful life of 15.7 years. Intangible amortization expense totaled $4,635 and $4,656 for the years ended December 31, 2019 and 2018, respectively. During the year ended December 31, 2019 there were no impairments of the Company’s amortizable intangible assets. The Company recorded an impairment charge of $1,249 to customer relationship intangible assets related to the U.K. Limited segment in the second quarter of 2018, which is reported in discontinued operations.

Intangible assets consist of the following:


		December 31, 2019						December 31, 2018
	Weighted Average			Accumulated		Net Book				Accumulated		Net Book
	Life (Years)	Cost		Amortization		Value		Cost		Amortization		Value
Customer relationships	17.2	$	55,454		(28,865)	$	26,589	$	55,454	$	(25,587)	$	29,867
Technology and software	8		7,101		(4,952)		2,149		7,101		(4,024)		3,077
Trademarks	8.7		3,330		(1,266)		2,064		3,330		(877)		2,453
Noncompete agreements	5		491		(491)		—		491		(451)		40
Intangible assets subject to amortization		$	66,376	$	(35,574)	$	30,802	$	66,376	$	(30,939)	$	35,437

The estimated future aggregate amortization expense for the identified amortizable intangibles noted above as of December 31, 2019 is as follows:


2020	$	4,595
2021		4,352
2022		3,867
2023		3,867
2024		3,530
Thereafter		10,591
	$	30,802