Significant Customer and Geographic Information (Revenues by Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Schedule of revenues by geographical area
Total Revenue	$ 6,798	$ 7,074
United States [Member]
Schedule of revenues by geographical area
Total Revenue	4,297	3,574
India [Member]
Schedule of revenues by geographical area
Total Revenue	0	87
Other Asian Countries [Member]
Schedule of revenues by geographical area
Total Revenue	342	341
Ireland [Member]
Schedule of revenues by geographical area
Total Revenue	0	1,960
Other European Countries [Member]
Schedule of revenues by geographical area
Total Revenue	2,159	1,112
Other Countries [Member]
Schedule of revenues by geographical area
Total Revenue	$ 0	$ 0