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Supplemental Cash Flow Information (Tables)
9 Months Ended
Sep. 30, 2021
Supplemental Cash Flow Elements [Abstract]  
Schedule of Supplemental Cash Flow Information

 

(Amounts in thousands)  2021   2020 
   Nine months ended September 30, 
(Amounts in thousands)  2021   2020 
Cash paid during the year:          
Interest expense  $5   $5 
Income taxes  $595   $362