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Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2018
Financial Instruments [Abstract]  
Summary Of Financial Instruments Measured At Fair Value



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

December 31, 2018

Level 1

 

Level 2

 

Level 3

 

Total

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

Money market funds

$

1,445 

 

 

--

 

 

--

 

$

1,445 

Restricted securities:

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

747 

 

 

--

 

 

--

 

 

747 

Total assets

$

2,192 

 

$

--

 

$

--

 

$

2,192 







 

 

 

 

 

 

 

 

 

 

 

December 31, 2017

Level 1

 

Level 2

 

Level 3

 

Total

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

Money market funds

$

372 

 

$

--

 

$

--

 

$

372 

Restricted securities:

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

776 

 

 

--

 

 

--

 

 

776 

Total assets

$

1,148 

 

$

--

 

$

--

 

$

1,148