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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Carrying value and estimated fair value of convertible notes and long-term debt
The carrying value and estimated fair value of the Company’s long-term debt are as follows (in thousands):
 
June 30, 2014
 
December 31, 2013
 
Carrying
Value
 
Fair
Value
 
Carrying
Value
 
Fair
Value
Term loan
$
39,113

 
$
39,113

 
$
45,833

 
$
45,833

Borrowings under revolving credit facility
17,796

 
17,796

 
16,272

 
16,272