Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rent expense from continuing operations	$ 0.5	$ 0.4	$ 0.5
Media
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business disposal, selling price	20.0	20.0
Business disposal, cash deposited in escrow by buyer	3.0
Business disposal, cash received from escrow from seller	$ 3.0