v2.4.0.8
Warrants (Details) - Assumptions in Monte Carlo simulation model to estimate the fair value of the warrant liability (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Assumptions in Monte Carlo simulation model to estimate the fair value of the warrant liability [Abstract]    
CDTi stock price (in Dollars per share) $ 3.82 $ 1.51
Strike price (in Dollars per Share) $ 1.25 $ 1.25
Expected volatility 79.00% 73.60%
Risk-free interest rate 1.30% 1.80%
Dividend yield      
Expected life in years 4 years 109 days 4 years 6 months