Quarterly report pursuant to Section 13 or 15(d)

Stockholders' deficit (Tables)

v3.21.1
Stockholders' deficit (Tables)
 3 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Common Stock Reserved for Future Issuance
The Company has reserved common stock for future issuance as follows:
March 31, 2021 December 31, 2020
Conversion of Series F Preferred Stock 34,611,100  43,507,130 
Exercise of options to purchase common stock 13,150,872  7,815,442 
Exercise of warrants to purchase common stock 60,874,177  59,501,978 
Conversion of Notes payable 7,718,488  7,530,232 
Total 116,354,637  118,354,782