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Accrued Expenses (Details) - Schedule of accrued expenses - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Schedule of accrued expenses [Abstract]    
Research and development $ 1,928,000 $ 2,183,800
Professional fees 168,000 150,900
Accrued bonus 1,191,000 1,444,900
Accrued vacation 450,400 351,200
Other 131,000 126,200
Total $ 3,868,400 $ 4,257,000