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Other Operating Income, net
 12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
Other Operating Income, net

12.Other Operating Income, Net

Other operating income, net consists of the following:

Year ended December 31,

2021

2020

2019

 

Gain (loss) on sale of operating assets

$

127

$

52

$

(54

)