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Debt Instruments and Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2016
Debt Instruments and Related Party Transactions  
Schedule of liability components of the Convertible Notes

        The Convertible Notes consist of the following as of December 31, 2016:

                                                                                                                                                                                    

Liability component

 

(In thousands)

 

Principal

 

$

250,000

 

Less: debt discount (1)

 

 

(90,807

)

Less: deferred financing (1)

 

 

(4,729

)

​  

​  

Net carrying value of the debt

 

$

154,464

 

​  

​  

​  

​  


 

 

 

(1)          

Included in the Consolidated Balance Sheets within Convertible Senior Notes (due 2023) and amortized to interest expense over the remaining life of the Convertible Senior Notes using the effective interest rate method.

 

Components of total interest expense recognized related to the Convertible Notes

        The following table sets forth total interest expense recognized related to the Convertible Notes for the year ended December 31, 2016:

                                                                                                                                                                                    

Components

 

(In thousands)

 

Contractual interest expense

 

$

208 

 

Amortization of deferred financing

 

 

26 

 

Amortization of debt discount

 

 

248 

 

Total

 

$

482 

 

​  

​  

Effective interest rate of the liability component

 

 

10.85 

%

​  

​  

​  

​