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Preferred Stock (Tables)
6 Months Ended
Jun. 30, 2012
Preferred Stock  
Schedule of changes in the carrying value of Series B Preferred Stock

 

 

 
  Shares   $
(thousands)
 

Balance at December 31, 2011

    351,444   $ 83,313  

Accrued dividends

    17,338     4,335  

Fair value of bifurcated conversion feature

        (27 )

Accretion of issuance costs and additional discount

        573  
           

Balance at June 30, 2012

    368,782   $ 88,194