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Accrued Expenses (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Accrued Expenses [Abstract]    
Accrued license fees $ 120,000 $ 120,000
Accrued services 868,811 600,339
Accrued issuance costs 28,083 28,083
Accrued payroll 251,543 223,195
Advances 50,000
Other [1] 254,437
Total accrued expenses $ 1,522,874 $ 1,021,617
[1] Accrued expenses include an obligation to issue stock awards and stock options to consultants that have met vesting requirements as of March 31, 2018 in the amount of $254,437. See Note 10 Stock-Based Compensation for further detail.