Quarterly report pursuant to Section 13 or 15(d)

Warrant Liability (Details )

v2.4.0.8
Warrant Liability (Details ) (Series A Warrants [Member], USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Series A Warrants [Member]
   
Assumptions used to value the Series A Warrants    
Expected price volatility 125.00% 90.00%
Expected term (in years) 4 years 11 days 4 years 3 months 7 days
Risk-free interest rate 1.33% 1.40%
Dividend yield 0.00% 0.00%
Weighted-average fair value of warrants $ 0.50 $ 0.34