Condensed Balance Sheets - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 8,863,796 $ 5,728,900
Restricted deposit 75,000 75,000
Prepaid expenses and other current assets 781,092 504,907
Deferred offering costs 0 104,706
Total current assets 9,719,888 6,413,513
Property and equipment, net 28,466 35,095
Right-of-use asset 56,275  
Other assets 5,580 5,580
Total assets 9,810,209 6,454,188
Current liabilities:    
Accounts payable 3,056,902 3,618,634
Accrued expenses 1,863,225 826,327
Convertible note payable, net 3,875,709 5,196,667
Derivative liability 770,000 370,000
Warrant liabilities 3,188,300 0
Accrued interest 314,721 101,624
Lease liability, current portion 56,275  
Total current liabilities 13,125,132 10,113,252
Commitments and contingencies (Note 8)
Stockholders’ deficit:    
Preferred stock $0.0001 par value, 10,000,000 shares authorized; 0 shares issued and outstanding as of September 30, 2019 and December 31, 2018 0 0
Common stock - $0.0001 par value, 350,000,000 shares authorized; 35,883,953 and 26,088,820 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively 3,589 2,609
Additional paid-in capital 58,341,695 39,854,297
Accumulated deficit (61,660,207) (43,515,970)
Total stockholders’ deficit (3,314,923) (3,659,064)
Total liabilities and stockholders’ deficit $ 9,810,209 $ 6,454,188