Accrued Expenses (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Clinical trial expenses	$ 3,197,269	$ 3,020,030
Other	129,087	137,356
Total	$ 3,326,356	$ 3,157,386

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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