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Accrued Liabilities (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Payroll and related costs $ 222,000 $ 0
Stock-based compensation - see Note 9 2,622,148 1,637,308
Research and development 545,488 536,965
Legal fees 33,068 57,345
Professional fees 178,375 167,346
Other 28,190 106,661
Accrued expenses $ 3,629,269 $ 2,505,625