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Senior Secured Notes and Convertible Subordinated Notes (Tables)
12 Months Ended
Dec. 31, 2012
Outstanding Balance of Senior Secured Notes and Convertible Secured Notes

The outstanding balances of our senior secured notes and our convertible subordinated notes are as follows (in thousands):

 

     Semi-Annual
Interest Payment Dates
   December 31,  
      2012      2011  

12% Senior Secured Notes due
July 2017

   January 15, July 15    $ 125,000       $ —     

3.25% Convertible Subordinated Notes due September 2012

   March 28, September 28    $ —         $ 214,955