Quarterly report pursuant to Section 13 or 15(d)

Common stock warrants (Tables)

v3.22.1
Common stock warrants (Tables)
3 Months Ended
Mar. 31, 2022
Share-Based Payment Arrangement [Abstract]  
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, 2020     87,456       6,252,954       6,340,410  
Issued     -       -       -  
Exercised     -       -       -  
Outstanding at December 31, 2021     87,456       6,252,954       6,340,410  
Issued     -       -       -  
Exercised     (87,456 )     (2,954 )     (90,410 )
Outstanding at March 31, 2022     0       6,250,000       6,250,000  

 

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, 2020     689,159  
Issued     -  
Exercised     -  
Outstanding at December 31, 2021     689,159  
Issued     -  
Exercised     -  
Outstanding at March 31, 2022     689,159