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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Fair Value Hierarchy for Assets
The following table presents our fair value hierarchy for assets measured at fair value on a recurring basis as of December 31, 2019 and 2018 (in thousands):
 
Fair value as of December 31, 2019
 
Total
 
Level 1
 
Level 2
 
Level 3
Assets:
 
 
 
 
 
 
 
Cash equivalents
$
8,909

 
$
8,909

 
$
—

 
$
—

 
$
8,909


$
8,909

 
$
—

 
$
—

 
 
Fair value as of December 31, 2018
 
Total
 
Level 1
 
Level 2
 
Level 3
Assets:
 
 
 
 
 
 
 
Cash equivalents
$
11,173

 
$
11,173

 
$
—

 
$
—

 
$
11,173

 
$
11,173

 
$
—

 
$
—