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Accrued Liabilities (Tables)
6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Schedule of Other Accrued Liabilities

Other accrued liabilities at June 30, 2023 and December 31, 2022 include the following:

 

   June 30, 2023   December 31, 2022 
Amounts due to contract research organizations and other contractual agreements  $1,698,511   $2,196,711 
Accrued payroll and related benefits   1,458,082    2,139,927 
Accrued interest   -    37,583 
Accrued professional fees   46,600    215,402 
Other   30,000    205,313 
Total  $3,233,193   $4,794,936