Foreign Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Hong Kong [Member]
Foreign revenues [Abstract]
Total foreign revenues	$ 84	$ 225
China [Member]
Foreign revenues [Abstract]
Total foreign revenues	230	765	$ 465	$ 1,616
Malaysia [Member]
Foreign revenues [Abstract]
Total foreign revenues	700	882	1,298	1,680
Thailand [Member]
Foreign revenues [Abstract]
Total foreign revenues	206	145	330	326
All other foreign countries [Member]
Foreign revenues [Abstract]
Total foreign revenues	400	608	983	1,620
Total Foreign Countries [Member]
Foreign revenues [Abstract]
Total foreign revenues	$ 1,620	$ 2,625	$ 3,076	$ 5,242