Foreign Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
China [Member]
Foreign revenues [Abstract]
Total foreign revenues	$ 213	$ 539	$ 678	$ 2,155
Malaysia [Member]
Foreign revenues [Abstract]
Total foreign revenues	451	674	1,749	2,354
All other foreign countries [Member]
Foreign revenues [Abstract]
Total foreign revenues	416	1,068	1,729	3,014
Total Foreign Countries [Member]
Foreign revenues [Abstract]
Total foreign revenues	$ 1,080	$ 2,281	$ 4,156	$ 7,523