Foreign Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 5,624	$ 4,756
Domestic [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	3,982	3,482
Foreign [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 1,642	1,274
Foreign [Member] | Sales Revenue, Segment [Member] | Customer Concentration Risk [Member]
Entity Wide Revenue Major Customer [Line Items]
Portion of foreign sales	10.00%
Malaysia [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 823	726
Hong Kong [Member}
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	92	132
All other foreign countries [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 727	$ 416