At June 30, 2024 and December 31, 2023, goodwill was approximately $13.7 million and $14.2 million, respectively. The goodwill balance is subject to fluctuations as a result of changes in foreign exchange rates.

The carrying amount and accumulated amortization of intangible assets, net of the impact of foreign exchange rates, as of June 30, 2024 and December 31, 2023 were as follows:


	June 30, 2024		December 31, 2023
Definite-lived intangible assets
Customer relationships	$	13,467	$	13,911
Less: accumulated amortization	(2,424)		(2,233)

Definite-lived intangible assets-net	$	11,043	$	11,678

Indefinite-lived intangible assets
Brands	$	448	$	461


Intangibles-net	$	11,491	$	12,139

As of June 30, 2024 and December 31, 2023, there were no indicators of goodwill or intangible asset impairment. Customer relationships are amortized over an estimated useful life of 25 years, while brands have an indefinite life. Amortization expense for each of the three months ended June 30, 2024 and 2023 was approximately $0.1 million. Amortization expense for each of the six months ended June 30, 2024 and 2023 was approximately $0.3 million. Amortization expense is included in selling, general and administrative expenses.