Accrued Expenses and Other Liabilities (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Accrued Expenses And Other Liabilities [Line Items]
Accrued research and development expenses	$ 895,438	$ 451,805
Accrued professional fees	987,426	600,390
Accrued employee and payroll related expenses	159,554	102,632
Other	41,054	93,881
Accrued expenses and other liabilities	$ 2,083,472	$ 1,248,708