Segment Disclosure (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenue Information by Geography [Abstract]
Revenues	$ 9,647	[1]	$ 9,178	[1]	$ 8,981	[1]	$ 10,924	[1]	$ 12,518	[1]	$ 10,177	[1]	$ 11,398	[1]	$ 11,764	[1]	$ 38,730	[1]	$ 45,857	[1]	$ 134,017	[1]
United States [Member]
Revenue Information by Geography [Abstract]
Revenues																	10,680		11,787		32,981
Other Americas [Member]
Revenue Information by Geography [Abstract]
Revenues																	2,074		1,380		2,485
Total Americas [Member]
Revenue Information by Geography [Abstract]
Revenues																	12,754		13,167		35,466
Finland [Member]
Revenue Information by Geography [Abstract]
Revenues																	77		95		38,958
Germany [Member]
Revenue Information by Geography [Abstract]
Revenues																	10,733		12,789		13,097
Denmark [Member]
Revenue Information by Geography [Abstract]
Revenues																	66		55		10,939
Other EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues																	3,618		6,955		21,195
Total EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues																	14,494		19,894		84,189
China [Member]
Revenue Information by Geography [Abstract]
Revenues																	3,225		5,286		6,848
Other APJ [Member]
Revenue Information by Geography [Abstract]
Revenues																	8,257		7,510		7,514
Total APJ [Member]
Revenue Information by Geography [Abstract]
Revenues																	$ 11,482		$ 12,796		$ 14,362

[1] 1 Includes related party amounts of $2,993 in 2014, $7,363 in 2013, and $6,458 in 2012. See Note 14 for additional information on related party transactions.