Intangibles (Tables)

12 Months Ended

Dec. 31, 2017

Intangibles [Abstract]

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

Our estimated amortization expense relating to these intangibles for the next five years is summarized in the following table (in thousands):

2018	$	868
2019	$	761
2020	$	601
2021	$	510
2022	$	488

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

The components of intangibles, net as of December 31, 2017 and 2016 are as follows (in thousands):

		2017				2016
	Original life in years	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Acquired trade secrets	2-20	$	3,390	$	1,765	$	3,390	$	1,405
Acquired patents and trademarks	4-10	5,406		2,274		5,043		1,809
Agreements not to compete	3-5	839		782		839		690
Acquired trade names	Indefinite	4,582		—		4,568		—
Total intangibles, net		$	14,217	$	4,821	$	13,840	$	3,904