Annual report pursuant to Section 13 and 15(d)

Accounts Payable And Accrued Expenses (Details)

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Accounts Payable And Accrued Expenses (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Accounts Payable And Accrued Expenses [Abstract]    
Trade payables $ 488,285 $ 547,519
Accrued expenses 471,700 140,637
Accrued research and development contract costs 221,170 1,782,131
Payroll liabilities 84,576 682,263
Total accounts payable and accrued expenses $ 1,265,731 $ 3,152,550