Significant Customer and Geographic Information (Revenues by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of revenues by geographical area
Total revenues	$ 6,018	$ 6,570	$ 12,816	$ 13,644
United States [Member]
Schedule of revenues by geographical area
Total revenues	3,465	4,197	7,761	7,771
India [Member]
Schedule of revenues by geographical area
Total revenues	29	324	150	411
Other Asian Countries [Member]
Schedule of revenues by geographical area
Total revenues	465	339	686	680
Ireland [Member]
Schedule of revenues by geographical area
Total revenues	0	784	0	2,744
Other European Countries [Member]
Schedule of revenues by geographical area
Total revenues	2,057	910	4,213	2,022
Other Countries [Member]
Schedule of revenues by geographical area
Total revenues	$ 2	$ 16	$ 6	$ 16