Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

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 January 1, 2019	$	11,195
Currency translation	(14		)
Balance as of June 30, 2019	$	11,181

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, 2019
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	20,928	$	12,812	$	8,116
Customer contracts (1)	12	10,002		5,319		4,683
Non-contractual customer relationships	9	58,039		16,824		41,215
Trademarks	4	425		425		—
Trade name	15	7,456		1,876		5,580
Developed technology	11	82,706		18,990		63,716
Total amortized intangible assets		$	179,556	$	56,246	$	123,310
IPR&D		$	10,744			$	10,744
Total intangible assets		$	190,300	$	56,246	$	134,054

______________________________

⁽¹⁾ During the second quarter of 2019, we acquired certain assets from one of our distributors. We recorded $4.6 million in customer contracts related to that agreement.

	Weighted Average	December 31, 2018
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	19,399	$	12,147	$	7,252
Customer contracts	9	5,319		5,272		47
Non-contractual customer relationships	9	57,916		13,363		44,553
Trademarks	4	425		425		—
Trade name	15	7,456		1,618		5,838
Developed technology	11	82,857		15,361		67,496
Total amortized intangible assets		$	173,372	$	48,186	$	125,186
IPR&D		$	8,235			$	8,235
Total intangible assets		$	181,607	$	48,186	$	133,421

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

As of June 30, 2019 estimated annual amortization for our intangible assets for each of the next five years is approximately (in thousands):

Remainder of 2019	$	30,272
2020	16,589
2021	16,286
2022	16,142
2023	15,993
Thereafter	28,028
Total	$	123,310