Quarterly report pursuant to Section 13 or 15(d)

Goodwill

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Goodwill
 3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
6. Goodwill:
The change in the carrying amount of goodwill for the three months ended March 31, 2024 is summarized as follows:
  Ecoservices Advanced Materials & Catalysts Total
Balance as of December 31, 2023 $ 326,589  $ 77,881  $ 404,470 
Foreign exchange impact —  (218) (218)
Balance as of March 31, 2024 $ 326,589  $ 77,663  $ 404,252