Accrued Expenses (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Accrued Expenses (Details)
Accrued research and development	$ 644,445	$ 302,433
Accrued third-party payments	133,488
Accrued legal fees	123,417	122,351
Accrued other professional fees	115,245	70,399
Accrued director compensation	9,750	12,000
Other accrued expenses	25,616	25,607
Accrued expenses	$ 1,051,961	$ 532,790