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Warrants (Details) - Assumptions in Monte Carlo simulation model to estimate the fair value of the warrant liability (Monte Carlo Simulation Model [Member], Warrant [Member], USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Monte Carlo Simulation Model [Member] | Warrant [Member]
   
Warrants (Details) - Assumptions in Monte Carlo simulation model to estimate the fair value of the warrant liability [Line Items]    
Warrants valued (in Shares) 159,000 959,000
CDTi stock price (in Dollars per share) $ 2.71 $ 1.51
Strike price (in Dollars per share) $ 1.25 $ 1.25
Expected volatility 76.50% 73.60%
Risk-free interest rate 1.30% 1.80%
Dividend yield      
Expected life in years 4 years 4 years 6 months