Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Tables)

v3.8.0.1
STOCKHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
The following table summarizes information with regard to outstanding warrants to purchase common stock as of December 31, 2017.
 
Offering
 
Number of Shares
Issuable Upon
Exercise of
Outstanding
Warrants
 
Exercise
Price
 
 
Expiration Date
 
 
 
 
 
 
 
 
 
 
 
 
October 2017 Series D Warrants
 
 
3,108,538
 
$
1.78
 
 
October 14, 2024
 
November 2016 Public Offering Series C
 
 
4,157,850
 
$
1.50
 
 
November 29, 2021
 
April 2016 Underwritten Registered Series A
 
 
3,626,942
 
$
3.04
 
 
April 20,2021
 
October 2015 Incremental Series A
 
 
300,006
 
$
2.13
 
 
October 20,2021
 
October 2015 Private Placement Series A
 
 
86,365
 
$
2.13
 
 
April 1, 2021
 
October 2015 Offering – Placement Agent
 
 
3,750
 
$
28.30
 
 
October 1, 2020
 
August 2014 Public Offering (1)
 
 
504,019
 
$
46.80
 
 
August 20, 2019
 
February 2013 Public Offering (1)
 
 
38,750
 
$
1.50
(2)
 
February 20, 2018
 
February 2013 Public Offering – Placement Agents
 
 
3,854
 
$
125.00
 
 
February 4, 2018
 
Total
 
 
11,830,074
 
 
 
 
 
 
 
 
 
(1)
These warrants have a certain type of cash settlement feature or their exercise price for which the warrant may be exercised are subject to adjustment for “down rounds” and the warrants have been accounted for as derivative instruments as described in Note 3, with the exception of 9,704 warrants issued in August 2014.
 
 
(2)
Due to the issuance of common stock at $1.50 per share as part of the November 2016 Underwritten Offering, the remaining outstanding warrants issued as part of the February 2013 Public Offering were adjusted to reflect the revised exercise price of $1.50 each.
Reserved For Future Issuance Upon Exercise Of Stock Options And Warrants Or Conversion Of Debt Text Block [Table Text Block]
The following shares were reserved for future issuance upon exercise of stock options, preferred stock conversions and warrants:
 
 
 
December 31,
 
 
 
2017
 
2016
 
 
 
 
 
 
 
 
 
Warrants
 
 
11,830,074
 
 
10,716,952
 
Preferred stock
 
 
962,845
 
 
1,133,339
 
Stock options and grants
 
 
911,729
 
 
471,433
 
Total number of shares reserved for future issuance
 
 
13,704,648
 
 
12,321,724