Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The following table presents the changes in the carrying amount of our goodwill for 2017 (in thousands):

	Total
Balance as of December 31, 2016	$	5,577
Goodwill acquired	1,015
Other	—
Currency translation	60
Balance as of June 30, 2017	$	6,652

Schedule of Intangible Assets and Goodwill [Table Text Block]

Intangible assets, carried at cost less accumulated amortization and amortized on a straight-lined basis, were as follows (in thousands):

	Weighted Average	June 30, 2017
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	15,316	$	9,843	$	5,473
Customer contracts	9	9,533		4,702		4,831
Non-contractual customer relationships	9	63,080		3,743		59,337
Trademarks	4	425		425		—
Trade name	15	7,310		853		6,457
Developed technology	11	81,797		3,738		78,059
Total definite-lived intangible assets		$	177,461	$	23,304	$	154,157
Indefinite-lived IPR&D		6,189		—		6,189
Total intangible assets		$	183,650	$	23,304	$	160,346

	Weighted Average	December 31, 2016
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	14,423	$	9,326	$	5,097
MCDA contract *	10	8,571		8,571		—
Customer contracts	9	5,319		4,512		807
Non-contractual customer relationships	15	7,080		590		6,490
Trademarks	4	425		425		—
Trade name	15	7,310		609		6,701
Developed technology	10	3,797		509		3,288
Total		$	46,925	$	24,542	$	22,383