Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Taxes (Textual) [Abstract]
Income tax expense or benefit
Gross deferred tax assets	40.3		40.3
Valuation allowance for net deferred tax assets	32.2		32.2
Net deferred tax assets	8.1		8.1
Deferred tax liabilities	8.1		8.1
Short term deferred tax liabilities	0.7		0.7
Current net deferred tax liabilities	7.4	7.4	7.4	7.4	7.1
Net long term deferred tax assets	$ 7.4		$ 7.4