Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets Net

Intangible assets, net, consisted of the following (in thousands):

	December 31, 2016
	Gross		Accumulated Amortization			Net
Patents	$	873	$	(807	)	$	66
	December 31, 2017
	Gross		Accumulated Amortization			Net
Patents	$	949	$	(854	)	$	95