Acquisition (Details1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Apr. 02, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		$ 8,730
Accumulated Amortization	(549)
Net Carrying Amount	8,181
Developed technology [Member]
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		4,400
Accumulated Amortization	(220)
Net Carrying Amount	4,180
Customer relationships [Member]
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		3,000
Accumulated Amortization	(150)
Net Carrying Amount	2,850
Trademarks [Member]
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		510
Accumulated Amortization	(76)
Net Carrying Amount	434
Non-competition agreements [Member]
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		410
Accumulated Amortization	(103)
Net Carrying Amount	307
In-process research and development [Member]
Finite-Lived Intangible Assets, Gross [Abstract]
Fair Value as of Acquisition Date		410
Accumulated Amortization	0
Net Carrying Amount	$ 410