GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of detail and activity of goodwill by segment

Detail and activity of goodwill by segment is presented below (in thousands):

	MMS			ATA		Total
Goodwill	$	32,434		$	6,579	$	39,013
Accumulated impairment losses	(32,434		)	—		(32,434		)
Balance at December 31, 2016	—			6,579		6,579
Goodwill	32,434			6,579		39,013
Currency translation adjustments	—			62		62
Accumulated impairment losses	(32,434		)	—		(32,434		)
Balance at September 30, 2017	$	—		$	6,641	$	6,641

Summary of the major components of intangible assets other than goodwill

The major components of intangible assets other than goodwill are as follows (in thousands):

	September 30, 2017			December 31, 2016
Gross amortizable intangible assets:
Technical know-how	$	12,979		$	12,944
Customer lists	9,011			8,981
Land rights	2,608			2,498
Patents, trade names, drawings, and other	4,408			4,356
Total gross amortizable intangible assets	29,006			28,779
Accumulated amortization:
Technical know-how	(7,908		)	(7,438		)
Customer lists	(2,089		)	(1,744		)
Land rights	(356		)	(304		)
Patents, trade names, drawings, and other	(3,630		)	(3,490		)
Total accumulated amortization	(13,983		)	(12,976		)
Amortizable intangible assets, net	15,023			15,803
Indefinite lived intangible assets:
Trade names	11,411			10,927
Intangible assets other than goodwill, net	$	26,434		$	26,730

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

Amortization expense related to the definite-lived intangible assets are as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2017		2016		2017		2016
Amortization expense	$	313	$	321	$	937	$	961