Quarterly report pursuant to Section 13 or 15(d)

Financing Arrangements (Details Textual)

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Financing Arrangements (Details Textual) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Debt Disclosure (Additional Textual) [Abstract]  
Additional final payment on borrowings 6.00%
Cash-collateralized revolving credit facility 10
Current portion notes payable, 8.64%, due August 1, 2014 [Member]
 
Financing Arrangements (Textual) [Abstract]  
Fixed rate of interest 8.64%
Maturity date of term loan Aug. 01, 2014
Current portion notes payable, 8.9012%, due August 1, 2014 [Member]
 
Financing Arrangements (Textual) [Abstract]  
Fixed rate of interest 8.9012%
Maturity date of term loan Aug. 01, 2014
Bank line of credit, Prime + 2.0%, due March 29, 2013 [Member]
 
Financing Arrangements (Textual) [Abstract]  
Maturity date of term loan Mar. 29, 2013
Variable rate basis Prime
Basis spread on variable rate basis 2.00%
Long-term portion notes payable, 8.64%, due August 1, 2014 [Member]
 
Financing Arrangements (Textual) [Abstract]  
Fixed rate of interest 8.64%
Maturity date of term loan Aug. 01, 2014
Long-term portion notes payable, 8.9012%, due August 1, 2014 [Member]
 
Financing Arrangements (Textual) [Abstract]  
Fixed rate of interest 8.9012%
Maturity date of term loan Aug. 01, 2014