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Debt (Tables)
12 Months Ended
Dec. 31, 2014
Debt Disclosure [Abstract]  
Schedule of Maturities of Long-term Debt
Maturities of long-term debt as of December 31, 2014, are as follows (in thousands):
2015
$

2016
6,667

2017
6,667

2018
6,666

2019

Thereafter
7,000

Principal balance outstanding
27,000

Less unamortized discounts
(5,297
)
Net carrying value of long-term debt
21,703

Less current portion

Long-term portion
$
21,703