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Fair Value of Financial Instruments
3 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments

Note 2: Fair Value of Financial Instruments

The estimated fair values of financial instruments outstanding were (in thousands):

 

     March 31, 2019  
     Cost      Unrealized
Gains
     Unrealized
Losses
     Fair
Value
 

Cash and cash equivalents

   $ 4,765      $ —        $ —        $ 4,765  

Short-term investments

     1,564        —          —          1,564  
  

 

 

    

 

 

    

 

 

    

 

 

 
   $ 6,329      $ —        $ —        $ 6,329  
  

 

 

    

 

 

    

 

 

    

 

 

 

 

     December 31, 2018  
     Cost      Unrealized
Gains
     Unrealized
Losses
     Fair
Value
 

Cash and cash equivalents

   $ 7,104      $ —        $ —        $ 7,104  
  

 

 

    

 

 

    

 

 

    

 

 

 

The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):

 

                                                   
     March 31, 2019  
     Fair Value      Level 1      Level 2      Level 3  

Money market funds

   $ 3,233      $ 3,233      $ —        $ —    

Corporate notes and commercial paper

   $ 1,564      $ —        $ 1,564      $ —    
     December 31, 2018  
     Fair Value      Level 1      Level 2      Level 3  

Money market funds

   $ 632      $ 632      $ —        $ —    

There were no transfers in or out of Level 1 and Level 2 securities during the three months ended March 31, 2019 or 2018.