Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets

Schedule of intangible assets

Intangible assets consist of the following (in thousands):

	Useful Life	March 31,		December 31,
	in Years	2016		2015
Trade name	15 - 20	$	1,222	$	1,186
Patents and know-how	5 - 12	4,180		4,002
Customer relationships	4 - 8	765		724
		6,167		5,912
Less accumulated amortization		(4,296)		(4,011)
		$	1,871	$	1,901

Schedule of estimated amortization expense

Estimated amortization expense for each of the next five years is as follows (in thousands):

Years ending December 31:
Remainder of 2016	$	341
2017	$	446
2018	$	163
2019	$	163
2020	$	163
2021	$	163