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Other Current Assets
 9 Months Ended
Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Current Assets Other Current Assets
As of December 31, 2021 and 2020 other current assets consisted of the following (in thousands):
20212020
Materials and supplies$2,900 $1,952 
Prepaid assets1,503 1,419 
Other1,376 1,016 
$5,779 $4,387