Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 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	(309		)
Balance as of June 30, 2018	$	13,348

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, 2018
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	18,606	$	11,537	$	7,069
Customer contracts	9	5,319		5,082		237
Non-contractual customer relationships	9	55,979		9,929		46,050
Trademarks	4	425		425		—
Trade name	15	7,310		1,340		5,970
Developed technology	11	81,963		11,379		70,584
Total amortized intangible assets		$	169,602	$	39,692	$	129,910
IPR&D		$	4,902	—		$	4,902
Total intangible assets		$	174,504	$	39,692	$	134,812

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

Remainder of 2018	$	8,327
2019	15,964
2020	15,820
2021	15,517
2022	15,378
Thereafter	58,904
Total	$	129,910