Quarterly report pursuant to Section 13 or 15(d)

Stockholders' deficit (Tables)

v3.20.2
Stockholders' deficit (Tables)
9 Months Ended
Sep. 30, 2020
Stockholders' Equity Note [Abstract]  
Common Stock Reserved for Future Issuance
The Company has reserved common stock for future issuance as follows:
September 30, 2020 December 31, 2019
Conversion of Series E 1,760,903  1,760,903 
Exercise of options to purchase common stock 7,241,942  7,791,833 
Warrants to purchase common stock 19,898,859  16,981,854 
Notes payable 7,346,568  4,437,500 
Total 36,248,272  30,972,090 
Activity of Warrants
Warrants Weighted Average
Exercise Price
Warrants outstanding as of December 31, 2019 16,981,854  $ 3.23 
Issued 6,125,339  0.91 
Exercised (250,000) (0.10)
Terminated (2,958,334) (5.12)
Warrants outstanding as of September 30, 2020 19,898,859  $ 2.13