Basis of Presentation and Description of Business (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Basis Of Presentation And Description Of Business Details 1
Beginning balance	$ (478)	$ (336)
Addition to provision	(1,114)	(245)
Write-Off of obsolete inventory	706	103
Ending balance	$ (886)	$ (478)