Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Details )

v2.4.0.8
Warrant Liability (Details ) (Series A Warrants [Member], USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Series A Warrants [Member]
   
Assumptions used to value the Series A Warrants    
Expected price volatility 115.00% 90.00%
Expected term (in years) 3 years 9 months 11 days 4 years 3 months 7 days
Risk-free interest rate 1.17% 1.40%
Dividend yield 0.00% 0.00%
Weighted-average fair value of warrants $ 0.55 $ 0.34