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Accrued Liabilities
12 Months Ended
Dec. 31, 2020
Disclosure Text Block Supplement [Abstract]  
Accrued Liabilities

6. Accrued Liabilities


Accrued liabilities consisted of the following as of December 31, 2020 and 2019:


(in thousands)  2020   2019 
Accrued professional fees  $189   $1,826 
Accrued compensation and benefits   1,225    817 
Accrued CRO fees   788    95 
Deferred grant funds   301    80 
Accrued expense reimbursements   33    36 
Accrued transaction costs   1,354    - 
Other   70    24 
   $3,960   $2,878