Segment Disclosure (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue Information by Geography [Abstract]
Revenues	$ 134,017	$ 156,487	$ 111,037
United States [Member]
Revenue Information by Geography [Abstract]
Revenues	32,981	58,182	24,275
Other Americas [Member]
Revenue Information by Geography [Abstract]
Revenues	2,485	2,524	2,494
Total Americas [Member]
Revenue Information by Geography [Abstract]
Revenues	35,466	60,706	26,769
Finland [Member]
Revenue Information by Geography [Abstract]
Revenues	38,958	23,633	2,577
Germany [Member]
Revenue Information by Geography [Abstract]
Revenues	13,097	18,455	19,637
Denmark [Member]
Revenue Information by Geography [Abstract]
Revenues	10,939	17,959	31,680
Other EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues	21,195	20,201	19,649
Total EMEA [Member]
Revenue Information by Geography [Abstract]
Revenues	84,189	80,248	73,543
APJ [Member]
Revenue Information by Geography [Abstract]
Revenues	$ 14,362	$ 15,533	$ 10,725