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INTANGIBLE ASSETS
 6 Months Ended
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Disclosure [Text Block] INTANGIBLE ASSETS, NET

The components of intangible assets consisted of the following as of the dates set forth below (amounts in thousands):
 
Weighted Average Useful Lives (in years) June 30, 2019
 
June 30,
2019
 
December 31,
2018
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
8.2
 
$
12,638

 
$
12,967

     Patents, trademarks and other
7.6
 
11,445

 
11,356

          Total at cost
 
 
24,083

 
24,323

     Less accumulated amortization
 
 
(13,287
)
 
(12,676
)
 
 
 
$
10,796

 
$
11,647


   
Amortization related to intangible assets for the six months ended June 30, 2019 and 2018, totaled $1.1 million and $1.3 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheet.

The estimated aggregate amortization expense at June 30, 2019, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
July 1 - December 31, 2019
$
1,123

2020
2,090

2021
1,372

2022
988

2023
988

Thereafter
4,235

 
$
10,796