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Intangible Assets
6 Months Ended
Jun. 30, 2023
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, 2023December 31, 2022
 GrossAccumulated amortizationNetGrossAccumulated amortizationNet
Customer relationships$1,391 $(611)$780 $1,356 $(542)$814 
Trade names536 (118)418 530 (106)424 
Technology158 (121)37 157 (109)48 
Long term supply contracts165 (92)73 146 (76)70 
Patents12 (10)11 (9)$
$2,262 $(952)$1,310 $2,200 $(842)$1,358 

Net income for the three and six months ended June 30, 2023 and 2022 included amortization expense of $41 and $81 and $39 and $79, respectively.