Goodwill and Intangible Assets - (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consist of the following (in thousands):

	Useful Life in Years	December 31,
		2016			2015
Trade name	15 - 20	$	1,204		$	1,186
Patents and know-how	5 - 12	4,090			4,002
Customer relationships	4 - 8	721			724
		6,015			5,912
Less accumulated amortization		(4,532		)	(4,011		)
		$	1,483		$	1,901

Schedule of Estimated Amortization Expense

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

Years ending December 31:
2017	$	435
2018	$	161
2019	$	161
2020	$	161
2021	$	161
Thereafter	$	404
	$	1,483