Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

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 (in thousands):

	Total
Balance as of December 31, 2017	$	12,357
Goodwill acquired	1,300
Other	—
Currency translation	(458		)
Balance as of September 30, 2018	$	13,199

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	September 30, 2018
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	18,906	$	11,839	$	7,067
Customer contracts	9	5,319		5,177		142
Non-contractual customer relationships	9	55,695		11,553		44,142
Trademarks	4	425		425		—
Trade name	15	7,310		1,462		5,848
Developed technology	11	81,848		13,280		68,568
Total amortized intangible assets		$	169,503	$	43,736	$	125,767
IPR&D		$	6,044	—		$	6,044
Total intangible assets		$	175,547	$	43,736	$	131,811

	Weighted Average	December 31, 2017
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	17,064	$	10,970	$	6,094
Customer contracts	9	5,319		4,892		427
Non-contractual customer relationships	9	55,080		6,562		48,518
Trademarks	4	425		425		—
Trade name	15	7,310		1,096		6,214
Developed technology	11	81,846		7,571		74,275
Total amortized intangible assets		$	167,044	$	31,516	$	135,528
IPR&D		$	8,225			$	8,225
Total intangible assets		$	175,269	$	31,516	$	143,753

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

As of September 30, 2018 estimated annual amortization for our intangible assets for each of the next five years is approximately (in thousands):

Remainder of 2018	$	4,004
2019	16,013
2020	15,867
2021	15,578
2022	15,426
Thereafter	58,879
Total	$	125,767