Accrued Expenses and Other Liabilities (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Accrued Expenses And Other Liabilities [Line Items]
Accrued research and development expenses	$ 451,805	$ 540,722
Accrued professional fees	600,390	509,953
Accrued employee and payroll related expenses	102,632	37,313
Other	93,881	107,424
Accrued expenses and other liabilities	$ 1,248,708	$ 1,195,412