Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants

v3.19.1
Stock Warrants
3 Months Ended
Mar. 31, 2019
Text Block [Abstract]  
Stock Warrants
9. Stock Warrants
As of March 31, 2019 and December 31, 2018, the Company had warrants outstanding as shown in the table below.
 
 
 
March 31,

2019
 
 
December 31,

2018
 
Note Warrants
 
 
414,790
 
 
 
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
 
 
30,987,114
 
 
 
31,243,026
 
Weighted-average exercise price per share
 
$
2.31
 
 
$
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 March 31, 2019:
 
Exercise Prices
 
Shares

Underlying

Outstanding

Warrants
 
 
Expiration Date
 
 $2.00
 
 
16,002,164
 
 
 
September 1, 2021
 – 
July 25, 2022
 
$2.01 - $4.99
 
 
14,705,017
 
 
 
June 12, 2019
 – 
July 27, 2021
 
 $5.00
 
 
279,933
 
 
 
July 22, 2019
 – 
January 5, 2022
 
 
 
 
30,987,114