Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Financial Condition and Liquidity [Abstract]
Percentage of trade account receivable collateralized under the facility (in hundredths)	85.00%
Working capital	$ 13.3	$ 15.0
Costa Brava Partnership III, L.P [Member]
Legal Proceedings [Abstract]
Percentage of outstanding public preferred stock owned (in hundredths)	12.70%
Wynnefield [Member]
Legal Proceedings [Abstract]
Percentage of outstanding public preferred stock owned (in hundredths)	11.70%