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CONVERTIBLE SENIOR NOTES (Tables) | 3 Months Ended
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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 |

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- Definition Tabular disclosure of the details of the effective interest rate, interest expense and discount amortization related to convertible notes of the entity as well as deferred financing cost amortization. + References No definition available. + Details
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- Definition Tabular disclosure of information about the debt and equity components of convertible debt instruments. + References No definition available. + Details
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