Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Tables)

v3.4.0.3
STOCKHOLDERS' EQUITY (Tables)
3 Months Ended
Mar. 31, 2016
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 March 31, 2016.
 
 
 
Number of Shares
 
 
 
 
 
 
 
 
Issuable Upon
 
 
 
 
 
 
 
 
Exercise of
 
 
 
 
 
 
 
 
Outstanding
 
Exercise
 
 
 
Offering
 
Warrants
 
Price
 
Expiration Date
 
 
 
 
 
 
 
 
 
 
 
October 2015 Private Placement (1)
 
 
150,003
 
$
28.30
 
April 1, 2021
 
October 2015 Registered Offering (2)
 
 
48,274
 
$
 
October 1, 2020
 
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)
 
 
55,000
 
$
22.00
 
February 20, 2018
 
February 2013 Public Offering – Placement Agents
 
 
3,854
 
$
125.00
 
February 4, 2018
 
November 2012 Private Placement
 
 
5,000
 
$
250.00
 
November 2, 2017
 
June 2012 Public Offering
 
 
14,910
 
$
250.00
 
June 13, 2017
 
December 2011 Underwritten Offering
 
 
46,246
 
$
120.00
 
December 6, 2016
 
Total
 
 
831,056
 
 
 
 
 
 
 
(1)
These warrants have a certain type of cash settlement feature or their exercise prices 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)
These warrants are pre-funded, and the number of shares 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.