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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Measurements  
Schedule of fair value hierarchy

The carrying values of our assets that are required to be measured at fair value on a recurring basis as of December 31, 2020 and 2019 approximate fair value because of our ability to immediately convert these instruments into cash with minimal expected change in value which are classified in the table below in one of the three categories of the fair value hierarchy described above (in thousands):

    

Fair Value Measurements

    

Level 1

    

Level 2

    

Level 3

    

Total

December 31, 2020

 

  

 

  

 

  

 

  

Cash equivalents:

 

  

 

  

 

  

 

  

Money market mutual fund

$

11,820

$

$

$

11,820

Marketable equity securities:

 

  

 

  

 

  

 

  

Mutual funds

 

33,135

 

 

 

33,135

Available-for-sale debt securities:

 

 

  

 

  

 

U.S. Treasury notes

 

23,309

 

 

 

23,309

$

68,264

$

$

$

68,264

Fair Value Measurements 

 

Level 1

 

Level 2

 

Level 3

 

Total

December 31, 2019

    

  

    

  

    

  

    

  

Cash equivalents:

 

  

 

  

 

  

 

  

Money market mutual fund

$

43,688

$

$

$

43,688

Marketable equity securities:

 

  

 

  

 

  

 

  

Mutual funds

 

25,967

 

 

 

25,967

Available-for-sale debt securities:

 

  

 

  

 

  

 

  

U.S. Treasury notes

 

21,094

 

 

 

21,094

$

90,749

$

$

$

90,749