Income Taxes (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Income Taxes (Additional Textual) [Abstract]
Effective tax rate	40.00%	40.00%
Gross unrecognized tax benefits	$ 1,100,000	$ 1,100,000
Offsetting tax benefit		400,000
Net unrecognized tax benefits that would impact the effective tax rate	500,000	500,000
Provision for deferred U.S. income taxes		$ 0
Internal Revenue Service [Member]
Income Taxes (Textual) [Abstract]
Tax years remain subject to examination		2009 through 2011
State authorities [Member]
Income Taxes (Textual) [Abstract]
Tax years remain subject to examination		2008 through 2011
Foreign jurisdictions [Member]
Income Taxes (Textual) [Abstract]
Tax years remain subject to examination		range from 2005 to 2011