XML 44 R33.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2018
Financial Assets and Liabilities Measured at Fair Value on Recurring Basis
The following tables summarize our financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017 (in thousands):

 
   
 
 
 
 
 
Carrying Amount as of
 
 
Fair Value Measurements
As of September 30, 2018
 
 
 
September 30, 2018
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
                       
Cash equivalents
 
$
   
$
   
$
   
$
 
3.25% convertible senior notes due in 2020
   
(33,436
)
   
     
     
(33,436
)

 
 
   
 
 
 
 
 
Carrying Amount as of
 
 
Fair Value Measurements
As of December 31, 2017
 
 
 
December 31, 2017
 
 
Level 1
 
 
Level 2
 
Level 3
 
 
                       
Cash equivalents
 
$
13,718
   
$
13,718
   
$
   
$
 
3.25% convertible senior notes due in 2020
   
(22,469
)
   
     
     
(22,469
)

Reconciliation of Beginning and Ending Balances of Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3)
The following table provides a reconciliation of the beginning and ending balances of assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):

 
 
2018
 
Balance at January 1, 2018
 
$
(22,469
)
Issuance of 3.25% Convertible Senior Notes due in 2020
   
(8,453
)
Change in fair value
   
(2,514
)
Balance at September 30, 2018 
 
$
(33,436
)