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Accrued and Other Current Liabilities
12 Months Ended
Dec. 31, 2020
Payables And Accruals [Abstract]  
Accrued and Other Current Liabilities

8.    Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following at December 31, 2019 and 2020 (in thousands):

 

 

 

 

 

 

 

 

 

 

December 31, 

 

December 31, 

 

    

2019

    

2020

Accrued research and development

 

$

617

 

$

781

Accrued legal and professional fees

 

 

235

 

 

325

Other current liabilities

 

 

678

 

 

866

 

 

$

1,530

 

$

1,972