Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants

v3.19.2
Stock Warrants
6 Months Ended
Jun. 30, 2019
Text Block [Abstract]  
Stock Warrants
9. Stock Warrants
As of June 30, 2019 and December 31, 2018, the Company had warrants outstanding as shown in the table below.
 
   
June 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       206,410  
Placement Agent Warrants
    189,126       189,126  
Other warrants (1)
    180,338       180,338  
   
 
 
   
 
 
 
Warrants to purchase common stock
    30,572,324       31,243,026  
   
 
 
   
 
 
 
Weighted-average exercise price per share
  $ 2.30     $ 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 June 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
    14,290,227       July 28, 2019 – July 27, 2021  
³
$5.00
    279,933       July 22, 2019 – January 5, 2022  
   
 
 
         
      30,572,324