Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable And Accrued Expenses (Details)

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Accounts Payable And Accrued Expenses (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Accounts Payable And Accrued Expenses [Abstract]    
Trade payables $ 1,132,858 $ 774,543
Accrued expenses 125,725 92,752
Accrued research and development contract costs 1,884,445 1,515,151
Payroll liabilities 141,239 278,852
Total accounts payable and accrued expenses $ 3,284,267 $ 2,661,298