Derivative Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments, Valuation Assumptions [Table Text Block]

Derivative liabilities resulting from certain warrants issued in connection with the Company’s Series B financing were valued using the Black-Scholes option valuation model and the following assumptions on the following dates:

	September 30,			December 31,
	2013			2012
Series B warrants:
Risk-free interest rate		0.10	%		0.22	%
Expected volatility		62.28	%		65.94	%
Expected life (in years)		.94			1.69
Expected dividend yield		-			-
Number of warrants		21,423			21,423
Fair value	$	2,655		$	15,950