Quarterly report pursuant to Section 13 or 15(d)

Stockholders' deficit (Tables)

v3.20.2
Stockholders' deficit (Tables)
 6 Months Ended
Jun. 30, 2020
Stockholders' deficit [Abstract]  
Common Stock for Future Issuance
The Company has reserved common stock for future issuance as follows:

   
June 30, 2020 December 31, 2019
  
Conversion of Series E
    
1,760,903
      
1,760,903
  
Exercise of options to purchase common stock
    
7,471,608
      
7,791,833
  
Warrants to purchase common stock
    
17,087,976
      
16,981,854
  
Notes payable
    
7,163,589
      
4,437,500
  
Total
    
33,484,076
      
30,972,090
  
Activity of Warrants
On June 24, 2020, the Company issued warrants to purchase up to 1,000,000 shares of the Company’s common stock at $1.25 per share to two nonemployee directors. The warrants are exercisable on the date of issuance and expire on the earlier of (i) 84 months from the date of the consummation of an underwritten public offering or other uplist transaction or (ii) June 30, 2030.
Warrants

Weighted Average
Exercise Price
  
Warrants outstanding as of December 31, 2019
    
16,981,854
    
$
3.23
  
Issued
    
3,064,456
      
1.15
  
Terminated
    
(2,958,334
)
    
(5.12
 )
Warrants outstanding as of June 30, 2020
    
17,087,976
    
$
2.37