Goodwill and Other Intangible Assets Intangible Assets and Related Accumulated Amortization (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 15,769	$ 15,769
Finite-Lived Intangible Assets, Accumulated Amortization	(986)	(683)
Finite-Lived Intangible Assets, Net	14,783	15,086
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,000	1,000
Finite-Lived Intangible Assets, Accumulated Amortization	(145)	(95)
Finite-Lived Intangible Assets, Net	855	905
Finite-Lived Intangible Assets, Useful Life	10 years
Manufacturing Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	3,900	3,900
Finite-Lived Intangible Assets, Accumulated Amortization	(566)	(371)
Finite-Lived Intangible Assets, Net	3,334	3,529
Finite-Lived Intangible Assets, Useful Life	10 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	800	800
Finite-Lived Intangible Assets, Accumulated Amortization	(116)	(76)
Finite-Lived Intangible Assets, Net	684	724
Finite-Lived Intangible Assets, Useful Life	10 years
In Process R&D [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	9,400	9,400
Finite-Lived Intangible Assets, Accumulated Amortization	0	0
Finite-Lived Intangible Assets, Net	9,400	9,400
Finite Lived Intangible Assets, Useful Life [String]	Indefinite
VSEL Patent Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	669	669
Finite-Lived Intangible Assets, Accumulated Amortization	(158)	(141)
Finite-Lived Intangible Assets, Net	$ 511	$ 528
Finite-Lived Intangible Assets, Useful Life	19 years