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Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2015
Fair Value Measurements  
Summary of major category of financial assets and financial liabilities measured at fair value on a recurring basis

The following fair value hierarchy table presents information about each major category of our financial assets and liabilities measured at fair value on a recurring basis (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Level 1

    

Level 2

    

Level 3

    

Total

 

June 30, 2015

 

 

 

 

 

 

 

 

 

 

 

 

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds (cash equivalents)

 

$
38,048

 

$

—

 

$

—

 

$
38,048

 

Short-term investments

 

 
995

 

 

—

 

 

—

 

 
995

 

Investments

 

 
496

 

 

—

 

 

—

 

 
496

 

Total assets

 

$
39,539

 

$

 —

 

$

 —

 

$
39,539

 

December 31, 2014

 

 

 

 

 

 

 

 

 

 

 

 

 

Assets

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds (cash equivalents)

 

$
48,960

 

$

—

 

$

—

 

$
48,960

 

Short-term investments

 

 

—

 

 

—

 

 

—

 

 

—

 

Investments

 

 

—

 

 

—

 

 

—

 

 

—

 

Total assets

 

$
48,960

 

$

—

 

$

—

 

$
48,960