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Marketable Securities and Assets Measured at Fair Value (Tables)
9 Months Ended
Sep. 30, 2019
Marketable Securities and Assets Measured at Fair Value  
Schedule of composition of our marketable securities

Our marketable securities consist of certificates of deposit as follows:

September 30, 2019

December 31, 2018

    

Cost

    

Fair Value

    

Cost

    

Fair Value

Total marketable securities

$

741

$

747

$

2,463

$

2,470

Schedule of maturities of our marketable securities available for sale

The maturities of our marketable securities available for sale as of September 30, 2019 are as follows:

    

Earliest

    

    

Latest

Certificates of deposit

 

10/14/2019

 

to

 

7/28/2020

Schedule of fair value, assets measured on recurring basis

September 30, 2019

    

Level 1

    

Level 2

    

Level 3

    

Total

Total marketable securities

$

$

747

$

$

747

December 31, 2018

    

Level 1

    

Level 2

    

Level 3

    

Total

Total marketable securities

$

$

2,470

$

$

2,470