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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Summary of Significant Accounting Policies  
Schedule of cash as reported in the consolidated statements of cash flows

December 31, 

    

2020

   

2019

2018

Cash and cash equivalents

$

117,358

$

33,006

$

82,233

Restricted cash - current

 

10

 

10

 

10

Restricted cash - noncurrent

 

450

 

450

 

450

Total cash, cash equivalent and restricted cash in consolidated statements of cash flows

$

117,818

$

33,466

$

82,693