Annual report pursuant to Section 13 and 15(d)

Stockholders' deficit (Tables)

v3.21.1
Stockholders' deficit (Tables)
12 Months Ended
Dec. 31, 2020
Stockholders' Equity Note [Abstract]  
Common stock for future issuance
The Company has reserved common stock for future issuance as follows:
  December 31, 2020 December 31, 2019
Conversion of Series E —  1,760,903 
Conversion of Series F 43,507,130  — 
Exercise of options to purchase common stock 7,815,442  7,791,833 
Warrants to purchase common stock 59,501,978  16,981,854 
Notes payable 7,530,232  4,437,500 
Total 118,354,782  30,972,090