Quarterly report pursuant to sections 13 or 15(d)

STOCK WARRANTS (Tables)

v2.4.0.8
STOCK WARRANTS (Tables)
6 Months Ended
Jun. 30, 2013
Warrants and Rights Note Disclosure [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
The following table summarizes information with respect to outstanding warrants to purchase common stock of the Company at June 30, 2013:
 
 
Exercise
 
Number
 
Number
 
Expiration
 
 
Price
 
Outstanding
 
Vested
 
Date
 
$
8.00
 
406,875
 
 
406,875
 
December 2013
 
 
12.00
 
456,009
 
 
450,609
 
December 2017 to January 2018
 
 
20.00
 
15,288
 
 
15,288
 
January 2014 to January 2015
 
 
25.00
 
354,228
 
 
354,228
 
January 2017 to March 2019
 
 
 
 
1,232,400
 
 
1,227,000
 
 
 
Schedule Of Share Based Payment Award Stock Warrants Valuation Assumptions [Table Text Block]
The assumptions used in the valuation of warrants, which vested during the three months ended June 30, 2013, were as follows:
 
Risk-free interest rate
 
 
0.66
%
 
Life of warrant
 
 
4.5 years
 
 
Expected stock price volatility
 
 
96.30
%
 
Expected dividend yield
 
$
0.0