Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Tables)

v2.4.0.8
Warrant Liability (Tables) (Series A Warrants [Member])
6 Months Ended
Jun. 30, 2014
Series A Warrants [Member]
 
Class of Warrant or Right [Line Items]  
Assumptions used to value the warrants [Table Text Block]
The key assumptions used to value the Series A Warrants were as follows:
 
Assumption
 
June 30,
2014
 
 
December 31,
2013
 
Expected price volatility
 
 
115
%
 
 
90
%
Expected term (in years)
 
 
3.78
 
 
 
4.27
 
Risk-free interest rate
 
 
1.17
%
 
 
1.40
%
Dividend yield
 
 
0.00
%
 
 
0.00
%
Weighted-average fair value of warrants
 
$
0.55
 
 
$
0.34