Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants (Tables)

v3.19.3
Stock Warrants (Tables)
9 Months Ended
Sep. 30, 2019
Text Block [Abstract]  
Schedule of Warrants Outstanding
As of September 30, 2019 and December 31, 2018, the Company had warrants outstanding as shown in the table below.
 
    
September 30,
2019
    
December 31,
2018
 
Note Warrants
     —          670,702  
2017 Warrants
     15,996,450        15,996,450  
2016 Warrants
     14,000,000        14,000,000  
Representative’s Warrant
     —          206,410  
Placement Agent Warrants
     189,126        189,126  
Other warrants (1)
     153,482        180,338  
    
 
 
    
 
 
 
Warrants to purchase common stock
     30,339,059        31,243,026  
    
 
 
    
 
 
 
Weighted-average exercise price per share
   $ 2.26      $ 2.31  
    
 
 
    
 
 
 
 
(1)
Other warrants are comprised of warrants issued prior to the Company’s IPO, generally in exchange for services rendered to the Company.
The following table summarizes information regarding the Company’s warrants outstanding at September 30, 2019:
 
Exercise Prices
  
Shares
Underlying
Outstanding
Warrants
    
Expiration Date
 
£
$2.00
     16,002,164        September 1, 2021 – July 25, 2022  
$2.01 - $4.99
     14,274,086        February 12, 2020 – July 27, 2021  
³
$5.00
     62,809        October 26, 2020 – January 5, 2022  
    
 
 
          
       30,339,059