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INTANGIBLE ASSETS (Tables)
 6 Months Ended
Jun. 30, 2016
GOODWILL [Abstract]  
Schedule of Intangible Assets and Goodwill [Table Text Block]
The components of intangible assets consisted of the following (amounts in thousands):
 
Weighted Average Useful Lives (in Years)
 
June 30,
2016
 
December 31,
2015
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
11.2
 
$
13,671

 
$
13,413

     Patents, trademarks and other
8.3
 
14,278

 
13,237

          Total at cost
 
 
27,949

 
26,650

     Less accumulated amortization
 
 
(10,377
)
 
(8,852
)
 
 
 
$
17,572

 
$
17,798
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
The estimated aggregate amortization expense at June 30, 2016, is as follows (amounts in thousands):
July 1 - December 31, 2016
$
1,228

2017
2,153

2018
2,153

2019
2,153

2020
2,153

Thereafter
7,732

 
$
17,572