Goodwill, In-Process Research and Development and Other Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Carrying Amount of Goodwill and Change in Balance

The carrying amount of goodwill and the change in the balance for the three months ended March 31, 2015 and 2014 is as follows:

	2015			2014
	(in thousands)
Beginning balance	$	61,390		$	61,596
Additions		—			—
Impairment		—			—
Foreign currency translation impact		(167	)		(2	)
Ending balance	$	61,223		$	61,594

Summary of Carrying Value of In-Process Research and Development Assets

The carrying value of our in-process research and development assets, which relate to the development and potential commercialization of certain acquired technologies, consisted of the following at March 31, 2015 and December 31, 2014:

	March 31, 2015		December 31, 2014
	(in thousands)
SYNERGY System technology	$	32,850	$	32,850

Summary of Other Intangible Assets

Other intangible assets, net consisted of the following:

	March 31, 2015			December 31, 2014
	(in thousands)
Patents	$	5,796		$	5,310
Purchased intangible assets
Tradenames		3,700			3,700
Customer relationships		1,800			1,800
Acquired technology rights		9,925			9,925
		21,221			20,735
Less: Accumulated amortization – Patents		(1,215	)		(1,118	)
Less: Accumulated amortization – Purchased intangible assets		(2,221	)		(1,810	)
	$	17,785		$	17,807

Estimated Useful Lives of Intangible Assets

Our other intangible assets are amortized using the straight-line method over their estimated useful lives as follows:

Patents	15 years
Purchased intangible assets
Tradenames	15 years
Customer relationships	20 years
Acquired technology rights	6 to 16 years