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Accrued Liabilities
3 Months Ended
Mar. 31, 2021
Payables and Accruals [Abstract]  
Accrued Liabilities

Note 9. Accrued Liabilities

 

Other accrued liabilities at March 31, 2021 and December 31, 2020 include the following:

 

    March 31, 2021     December 31, 2020  
             
Amounts due to contract research organizations and other contractual agreements   $ 855,517     $ 636,000  
Accrued payroll and related benefits     790,111       1,736,271  
Accrued professional fees     138,430       66,850  
Other     19,411       19,411  
Total   $ 1,803,469     $ 2,458,532