v2.4.0.6
Financing Arrangements (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Notes Payable, Current and Noncurrent [Abstract]    
Total current portion of notes payable $ 13,212 $ 14,835
Total long-term portion of notes payable 5,494 13,443
Current portion notes payable, 8.64%, due August 1, 2014 [Member]
   
Notes Payable, Current and Noncurrent [Abstract]    
Total current portion of notes payable 9,610 10,792
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]
   
Notes Payable, Current and Noncurrent [Abstract]    
Total current portion of notes payable 3,602 4,043
Fixed rate of interest 8.9012%  
Maturity date of term loan Aug. 01, 2014  
Long-term portion notes payable, 8.64%, due August 1, 2014 [Member]
   
Notes Payable, Current and Noncurrent [Abstract]    
Total long-term portion of notes payable 4,026 9,837
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]
   
Notes Payable, Current and Noncurrent [Abstract]    
Total long-term portion of notes payable $ 1,468 $ 3,606
Fixed rate of interest 8.9012%  
Maturity date of term loan Aug. 01, 2014