Annual report pursuant to Section 13 and 15(d)

Accrued Expenses (Schedule of Accrued Expenses) (Details)

v3.19.1
Accrued Expenses (Schedule of Accrued Expenses) (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Accrued Liabilities, Current [Abstract]    
Accrued clinical trial expenses $ 919,750 $ 1,504,240
Compensation and related benefits 628,147 542,434
Patent fees 40,000 40,000
Deferred rent 7,854 27,457
Other expenses 82,300 162,300
Accrued expenses $ 1,678,051 $ 2,276,431