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INTANGIBLE ASSETS
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Disclosure [Text Block] INTANGIBLE ASSETS, NET
The components of intangible assets consisted of the following (amounts in thousands):
Weighted Average Useful Lives
(in years)
September 30, 2020
September 30,
2020
December 31,
2019
Amortizable intangible assets:
     Customer relationships6.92$12,211 $12,629 
     Patents, trademarks and other9.459,884 11,598 
          Total at cost22,095 24,227 
     Less accumulated amortization(14,484)(14,461)
$7,611 $9,766 
Amortization related to intangible assets for the nine months ended September 30, 2020 and 2019, totaled $1.6 million and $1.5 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheets.

The estimated aggregate amortization expense at September 30, 2020, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
October 1 - December 31, 2020$485 
20211,305 
2022958 
2023958 
2024957 
Thereafter2,948 
 $7,611