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CONVERTIBLE SENIOR NOTES (Tables)
3 Months Ended
Mar. 31, 2014
CONVERTIBLE SENIOR NOTES  
Schedule of carrying amounts of the liability and equity components of the convertible notes

 

 

 

 

March 31, 2014

 

December 31,
2013

 

Carrying amount of the equity component (additional paid-in capital)

 

$

24,375

 

$

24,375

 

Principal amount of the 2010 Notes

 

125,000

 

125,000

 

Unamortized discount of the liability component

 

7,820

 

9,119

 

Net carrying amount of the liability component

 

117,180

 

115,881

 

Schedule of effective interest rate, cash and non-cash interest expense and deferred financing cost amortization

 

 

 

Three Months Ended
March 31,

 

 

 

2014

 

2013

 

Effective interest rate on liability component

 

10.0

%

10.0

%

Cash interest expense recognized

 

$

1,541

 

$

1,541

 

Non-cash interest expense recognized

 

1,299

 

1,179

 

Non-cash deferred financing amortization costs included in interest expense

 

177

 

177