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INTANGIBLE ASSETS
 3 Months Ended
Mar. 31, 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) March 31, 2020
 
March 31,
2020
 
December 31,
2019
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
7.4
 
$
11,047

 
$
12,629

     Patents, trademarks and other
8.5
 
9,897

 
11,598

          Total at cost
 
 
20,944

 
24,227

     Less accumulated amortization
 
 
(12,662
)
 
(14,461
)
 
 
 
$
8,282

 
$
9,766


   
Amortization related to intangible assets for the three months ended March 31, 2020 and 2019, totaled $0.6 million and $0.5 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheet.

The estimated aggregate amortization expense at March 31, 2020, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
April 1 - December 31, 2020
$
1,455

2021
1,207

2022
881

2023
881

2024
880

Thereafter
2,978

 
$
8,282