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LONG TERM DEBT (Tables)
 3 Months Ended
Mar. 31, 2015
LONG TERM DEBT  
Schedule of debt

The following table summarizes information on the debt (in thousands):

 

 

 

March 31,
2015

 

Convertible Senior Notes due 2020:

 

 

 

Fair value of the liability component at issuance date

 

$
154,737 

 

Accumulated accretion of discount

 
26,922 

 

Net carrying value

 

$
181,659 

 

 

 

 

 

Senior Secured Notes due 2018:

 

 

 

Carrying value

 

$
49,921 

(1)

 

 

 

 

Total Notes:

 

 

 

Fair value of the liability component at issuance date

 

$
204,658 

 

Accumulated accretion of discount

 
26,922 

 

Net carrying amount

 

$
231,580 

 

 

(1)

Approximately $14.1 million is classified as current portion of long-term debt in the unaudited condensed consolidated balance sheet as of March 31, 2015.