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INTANGIBLE ASSETS
 9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Disclosure [Text Block] INTANGIBLE ASSETS

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) September 30, 2017
 
September 30,
2017
 
December 31,
2016
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
9.9
 
$
13,956

 
$
13,171

     Patents, trademarks and other
7.5
 
15,180

 
14,629

          Total at cost
 
 
29,136

 
27,800

     Less accumulated amortization
 
 
(13,338
)
 
(11,399
)
 
 
 
$
15,798

 
$
16,401


   
Amortization related to intangible assets for the nine months ended September 30, 2017 and 2016, totaled $2.2 million and $2.1 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheet.

The estimated aggregate amortization expense at September 30, 2017, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
October 1 - December 31, 2017
$
604

2018
2,257

2019
2,237

2020
2,237

2021
1,563

Thereafter
6,900

 
$
15,798