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Subsequent Event (Details Textual) (USD $)
 3 Months Ended 1 Months Ended 1 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Subsequent Event [Member]
Apr. 30, 2013
First lien facility [Member]
Subsequent Event [Member]
Apr. 30, 2013
Second lien facility [Member]
Subsequent Event [Member]
Apr. 30, 2013
Term loan [Member]
Subsequent Event [Member]
Apr. 03, 2013
Term loan [Member]
First lien facility [Member]
Subsequent Event [Member]
Apr. 30, 2013
Revolving credit facility [Member]
First lien facility [Member]
Subsequent Event [Member]
Apr. 03, 2013
Revolving credit facility [Member]
First lien facility [Member]
Subsequent Event [Member]
Apr. 03, 2013
Revolving credit facility [Member]
First lien facility [Member]
LIBOR [Member]
Maximum [Member]
Subsequent Event [Member]
Apr. 03, 2013
Revolving credit facility [Member]
First lien facility [Member]
LIBOR [Member]
Minimum [Member]
Subsequent Event [Member]
Apr. 03, 2013
Revolving credit facility [Member]
First lien facility [Member]
Base Rate [Member]
Maximum [Member]
Subsequent Event [Member]
Apr. 03, 2013
Revolving credit facility [Member]
First lien facility [Member]
Base Rate [Member]
Minimum [Member]
Subsequent Event [Member]
Subsequent Event (Textual) [Abstract]                          
Prepayment of second lien facility         $ 25,000,000                
Additional borrowings           20,000,000   2,000,000          
Prepayment of first lien credit through cash on hand       3,000,000                  
Loss on extinguishment of long-term debt     1,300,000                    
Maximum amount of undiscounted payments on default 115,750,000 116,750,000         105,700,000   112,700,000        
Revolving credit facility maximum commitment                 20,000,000        
Remaining commitments under the revolving credit loan facility                 $ 13,000,000        
Credit facility interest rate margins                   5.00% 3.50% 4.00% 2.50%
Line of Credit Facility, Interest Rate Description               At the Company’s election, the first lien facility may bear interest at either (i) the adjusted LIBOR rate, as defined in the first lien credit agreement, plus a margin ranging from 3.5% to 5.0% that is determined by the Company’s consolidated total debt ratio, as defined in the first lien credit agreement or (ii) the base rate, as defined in the first lien credit agreement, plus a margin ranging from 2.5% to 4.0% that is determined by the Company’s consolidated total debt ratio. Interest on adjusted LIBOR rate loans is payable at the end of each applicable interest period and, for those interest periods with a duration in excess of three months, the three month anniversary of the beginning of such interest period.          
Revolving credit facility and term loan maturity date               Aug. 09, 2017