Segment Disclosure (Details 1) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Revenue Information by Geography [Abstract]
Revenues	$ 7,498	$ 8,179	$ 8,061	$ 8,647	$ 9,590	$ 9,983	$ 9,363	$ 9,868	$ 32,385	[1]	$ 38,804	[1]	$ 38,730	[1]
United States [Member]
Revenue Information by Geography [Abstract]
Revenues									10,309		11,138		10,680
Other Americas [Member]
Revenue Information by Geography [Abstract]
Revenues									1,093		1,242		2,074
Total Americas [Member]
Revenue Information by Geography [Abstract]
Revenues									11,402		12,380		12,754
Germany [Member]
Revenue Information by Geography [Abstract]
Revenues									8,749		9,987		10,733
Other EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues									5,366		7,812		3,761
Total EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues									14,115		17,799		14,494
China [Member]
Revenue Information by Geography [Abstract]
Revenues									2,209		2,436		3,225
Other APJ [Member]
Revenue Information by Geography [Abstract]
Revenues									4,659		6,189		8,257
Total APJ [Member]
Revenue Information by Geography [Abstract]
Revenues									$ 6,868		$ 8,625		$ 11,482

[1] Includes related party amounts of $1,313, $4,909, and $2,993 in 2016, 2015, and 2014, respectively. See Note 14 for additional information on related party transactions.