Segment Disclosure (Details 1) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Revenue Information by Geography [Abstract]
Revenues	$ 9,590	$ 9,983	$ 9,363	$ 9,868	$ 9,647	$ 9,178	$ 8,981	$ 10,924	$ 38,804	[1]	$ 38,730	[1]	$ 45,857	[1]
United States [Member]
Revenue Information by Geography [Abstract]
Revenues									11,138		10,680		11,787
Other Americas [Member]
Revenue Information by Geography [Abstract]
Revenues									1,242		2,074		1,380
Total Americas [Member]
Revenue Information by Geography [Abstract]
Revenues									12,380		12,754		13,167
Germany [Member]
Revenue Information by Geography [Abstract]
Revenues									9,987		10,733		12,789
Other EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues									7,812		3,761		7,105
Total EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues									17,799		14,494		19,894
China [Member]
Revenue Information by Geography [Abstract]
Revenues									2,436		3,225		5,286
Other APJ [Member]
Revenue Information by Geography [Abstract]
Revenues									6,189		8,257		7,510
Total APJ [Member]
Revenue Information by Geography [Abstract]
Revenues									$ 8,625		$ 11,482		$ 12,796

[1] Includes related party amounts of $4,909 in 2015, $2,993 in 2014, and $7,363 in 2013. See Note 14 for additional information on related party transactions.