Quarterly report pursuant to Section 13 or 15(d)

2. Summary of Significant Accounting Policies (Tables)

v3.20.1
2. Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Antidilutive shares
    March 31,
2020
    March 31,
2019
 
Options     42,390,601       39,711,022  
Warrants     6,749,883       26,102,430  
Common stock issuable upon conversion of notes payable     3,645,673       11,058,950  
Total     52,786,157       76,872,402