Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Tables)

v2.4.1.9
Warrant Liability (Tables)
 3 Months Ended
Mar. 31, 2015
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
 
March 31,
2015
 
Expected price volatility
 
 
90
%
Expected term (in years)
 
 
3.0
 
Risk-free interest rate
 
 
0.90
%
Dividend yield
 
 
0.00
%
Weighted-average fair value of warrants
 
$
0.28
 
Class 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 Class A Warrants were as follows:
 
Assumption
 
March 31,
2015
 
Expected price volatility
 
 
90
%
Expected term (in years)
 
 
5.5
 
Risk-free interest rate
 
 
1.43
%
Dividend yield
 
 
0.00
%
Weighted-average fair value of warrants
 
$
0.45
 
Underwriter 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 Underwriter Warrants were as follows:
 
Assumption
 
March 31,
2015
 
Expected price volatility
 
 
90
%
Expected term (in years)
 
 
4.5
 
Risk-free interest rate
 
 
1.25
%
Dividend yield
 
 
0.00
%
Weighted-average fair value of warrants
 
$
0.39