Other Intangible Assets, Other than Goodwill

12 Months Ended

Dec. 31, 2014

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets Disclosure [Text Block]

Note 8.

Other Intangible Assets, Other than Goodwill

	December 31, 2013
	Gross carrying amount		Weighted average amortization period	Accumulated amortization
			(in thousands)
Amortized intangible assets:
Technology	$	11,774	7 years		7,430
Customer relationship		8,100	7 years		8,004
Patents		842	6 years		770
Total	$	20,716			16,204
Unamortized intangible assets:
In-process research and development	$	722

	December 31, 2014
	Gross carrying amount		Weighted average amortization period	Accumulated amortization
			(in thousands)
Amortized intangible assets:
Technology	$	11,774	7 years		8,281
Customer relationship		8,100	7 years		8,100
Patents		842	6 years		776
Total	$	20,716			17,157
Unamortized intangible assets:
In-process research and development	$	722

Amortization expense for the years ended December 31, 2012, 2013 and 2014 was $2,508 thousand, $2,909 thousand and $953 thousand, respectively. Estimated amortization expense for the next five years is $783 thousand in 2015, 2016, 2017 and 2018, and $395 thousand in 2019.