Quarterly report pursuant to Section 13 or 15(d)

Common stock warrants (Tables)

v3.21.2
Common stock warrants (Tables)
6 Months Ended
Jun. 30, 2021
Common Stock Warrants  
Schedule of common stock warrants

The following table summarizes Series B and Series D common stock warrants as of each period:

 

    Series B     Series D     B and D Total  
Outstanding at December 31, 2019     87,456       6,252,954       6,340,410  
Issued     -       -       -  
Exercised     -       -       -  
Outstanding at December 31, 2020     87,456       6,252,954       6,340,410  
Issued     -       -       -  
Exercised     -       -       -  
Outstanding at June 30, 2021     87,456       6,252,954       6,340,410  

 

Series E, F, G, and H warrants were issued for investment banking and advisory services during 2009. Series E, F, and G warrants were exercised in 2014. The following table summarizes Series H ($7) warrants as of each period:

 

   

Series H

$7.00

exercise price

 
Outstanding at December 31, 2019     689,159  
Issued     -  
Exercised     -  
Outstanding at December 31, 2020     689,159  
Issued     -  
Exercised     -  
Outstanding at June 30, 2021     689,159