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Schedule of Other Accrued Liabilities (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Amounts due to contract research organizations and other contractual agreements $ 1,289,356 $ 1,401,356
Accrued payroll and related benefits 849,178 1,636,727
Accrued interest 17,417 16,792
Accrued professional fees 96,150 87,250
Other 31,412 31,412
Total $ 2,283,513 $ 3,173,537