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INTANGIBLE ASSETS
 6 Months Ended
Jun. 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) June 30, 2020
 
June 30,
2020
 
December 31,
2019
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
7.2
 
$
12,420

 
$
12,629

     Patents, trademarks and other
8.6
 
10,507

 
11,598

          Total at cost
 
 
22,927

 
24,227

     Less accumulated amortization
 
 
(14,391
)
 
(14,461
)
 
 
 
$
8,536

 
$
9,766


   
Amortization related to intangible assets for the six months ended June 30, 2020 and 2019, totaled $1.2 million and $1.1 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheets.

The estimated aggregate amortization expense at June 30, 2020, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
July 1 - December 31, 2020
$
972

2021
1,390

2022
972

2023
972

2024
971

Thereafter
3,259

 
$
8,536