INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

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) March 31, 2018	March 31, 2018			December 31, 2017
Amortizable intangible assets:
Customer relationships	9.4	$	14,237		$	13,922
Patents, trademarks and other	7.4	15,288			15,208
Total at cost		29,525			29,130
Less accumulated amortization		(15,006		)	(13,855		)
		$	14,519		$	15,275

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The estimated aggregate amortization expense at March 31, 2018, for each of the years (or other periods) set forth below was as follows (amounts in thousands):



April 1 - December 31, 2018	$	1,775
2019	2,306
2020	2,285
2021	1,494
2022	1,067
Thereafter	5,592
	$	14,519