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Debt Obligations (Tables)
 12 Months Ended
Dec. 31, 2013
Debt [Abstract]  
Schedule of long-term obligations
     Long-term debt consisted of the following (in thousands):

 
 
December 31,
 
 
 
2013
  
2012
 
Senior secured term loan
 
$
142,500
  
$
150,000
 
Convertible senior subordinated notes
  
736
   
736
 
 
  
143,236
   
150,736
 
Less current portion
  
(8,236
)
  
(7,500
)
Long-term portion
 
$
135,000
  
$
143,236