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INTANGIBLE ASSETS (Tables)
 3 Months Ended
Mar. 31, 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)
 
March 31,
2016
 
December 31, 2015
Amortizable intangible assets:
 
 
 
 
 
     Customer relationships
11.4
 
14,080

 
13,413

     Patents, trademarks and other
8.6
 
13,968

 
13,237

          Total at cost
 
 
28,048

 
26,650

     Less accumulated amortization
 
 
(9,838
)
 
(8,852
)
 
 
 
18,210

 
17,798
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
The estimated aggregate amortization expense at March 31, 2016, is as follows (amounts in thousands):
April 1 - December 31, 2016
$
1,748

2017
2,096

2018
2,096

2019
2,096

2020
2,096

Thereafter
8,078

 
$
18,210