Warrants (Tables)

6 Months Ended

Jun. 30, 2014

Warrants (Tables) [Line Items]

Schedule of Sharebased Compensation Warrants Activity [Table Text Block]

		Weighted Average Exercise Price
				Range of Exercise Prices
	Shares
Outstanding at December 31, 2013	1,139,535	$	1.68	$1.25 - $10.40
Warrants issued	812,000	$	4.20	$4.20
Warrants exercised	(800,000)	$	1.25	$1.25
Outstanding at June 30, 2014	1,151,535	$	3.76	$1.25 - $10.40
Warrants exercisable at June 30, 2014	319,535	$	3.03	$1.25 - $10.40

Schedule of Share Based Payment Award Warrants Valuation Assumptions [Table Text Block]

	June 30, 2014		April 4, 2014
Warrants valued		812,000		812,000
CDTi stock price	$	2.71	$	2.95
Strike price	$	4.20	$	4.20
Expected volatility		84.5%		84.9%
Risk-free interest rate		1.7%		1.9%
Dividend yield		─		─
Expected life in years		5.3		5.5

Monte Carlo Simulation Model [Member]

Warrants (Tables) [Line Items]

Schedule of Share Based Payment Award Warrants Valuation Assumptions [Table Text Block]

	June 30, 2014		December 31, 2013
Warrants valued		159,000		959,000
CDTi stock price	$	2.71	$	1.51
Strike price	$	1.25	$	1.25
Expected volatility		76.5%		73.6%
Risk-free interest rate		1.3%		1.8%
Dividend yield		─		─
Expected life in years		4.0		4.5