Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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	(9		)
Balance as of March 31, 2017	$	6,583

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	March 31, 2017
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	14,910	$	9,589	$	5,321
Customer contracts	9	5,995		4,607		1,388
Non-contractual customer relationships	9	63,080		2,125		60,955
Trademarks	4	425		425		—
Trade name	15	7,310		731		6,579
Developed technology	11	81,797		1,905		79,892
Total definite-lived intangible assets		$	173,517	$	19,382	$	154,135
Indefinite-lived IPR&D		5,000		—		5,000
Total intangible assets		$	178,517	$	19,382	$	159,135

	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