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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Financial condition and liquidity [Abstract]    
Percentage of trade account receivable collateralized under the facility (in hundredths) 85.00%  
Working capital $ 21.9 $ 15.2
Costa Brava Partnership III, L.P [Member]
   
Legal Proceedings [Abstract]    
Costa Brava owns outstanding public preferred stock (in hundredths) 12.70%