Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Gross carrying amounts and accumulated amortization of finite-lived intangible assets by major class were as follows:

	June 30, 2020						December 31, 2019
	Gross		Accumulated amortization		Net		Gross		Accumulated amortization		Net
Customer relationships	$	1,573	$	(385)	$	1,188	$	1,621	$	(331)	$	1,290
Trade names	541		(51)		490		541		(40)		501
Technology	158		(53)		105		158		(41)		117
Long term supply contracts	123		(40)		83		150		(48)		102
Patents	15		(9)		6		14		(9)		5
	$	2,410	$	(538)	$	1,872	$	2,484	$	(469)	$	2,015

Total amortization expense of intangible assets for the three and six months ended June 30, 2020 and 2019 was $44 and $89 and $47 and $94.