Other Intangible Assets, Other than Goodwill

12 Months Ended

Dec. 31, 2016

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets Disclosure [Text Block]

Note 8.

Other Intangible Assets, Other than Goodwill

	December 31, 2015
			Weighted
	Gross		average
	carrying		amortization	Accumulated
	amount		period	amortization
			(in thousands)

Amortized intangible assets:
Technology	$	6,889	7 years		2,787
Patents		100	15 years		41
Total	$	6,989			2,828

	December 31, 2016
			Weighted
	Gross		average
	carrying		amortization	Accumulated
	amount		period	amortization

			(in thousands)

Amortized intangible assets:
Technology	$	6,889	7 years		3,771
Patents		100	15 years		48
Total	$	6,989			3,819

Amortization expense for the years ended December 31, 2014, 2015 and 2016 was $953 thousand, $852 thousand and $991 thousand, respectively. Estimated amortization expense for the next five years is $991 thousand in 2017 and 2018, $602 thousand in 2019, and $214 thousand in 2020 and 2021.