Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Tables)

v2.4.1.9
STOCKHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2014
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, 2014.
Offering
 
 
Number of Shares
Issuable Upon
Exercise of
Outstanding
Warrants
 
Exercise
Price
 
Expiration Date
 
 
 
 
 
 
 
 
 
 
 
August 2014 Public Offering
 
 
5,040,011
 
$
4.68
 
August 20, 2019
 
February 2013 Public Offering (1)
 
 
550,000
 
$
3.75
 
February 20, 2018
 
February 2013 Public Offering – Placement Agents
 
 
38,496
 
$
12.50
 
February 4, 2018
 
November 2012 Private Placement
 
 
50,000
 
$
25.00
 
November 2, 2017
 
June 2012 Public Offering
 
 
149,069
 
$
25.00
 
June 13, 2017
 
December 2011 Underwritten Offering
 
 
462,411
 
$
12.00
 
December 6, 2016
 
April 2011 Private Placement
 
 
302,922
 
$
15.00
 
March 31, 2016
 
Legacy warrants (1)
 
 
1,365
 
$
3.75
 
July 27, 2015
 
Legacy warrants
 
 
5,252
 
$
321.30
 
July 27, 2015
 
Legacy warrants
 
 
4,570
 
$
1,989-2,019.60
 
December 31, 2015
 
Total
 
 
6,604,096
 
 
 
 
 
 
 
(1)
The exercise prices of these warrants are subject to adjustment for “down-rounds” and the warrants have been accounted for as derivative instruments as described in Note 3.
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 and warrants:
 
 
 
December 31,
 
 
 
2014
 
2013
 
 
 
 
 
 
 
 
 
Warrants
 
 
6,604,096
 
 
1,839,123
 
Stock options
 
 
719,466
 
 
634,658
 
Total number of shares reserved for future issuance
 
 
7,323,562
 
 
2,473,781