Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Stock-Based Compensation [Abstract]

Schedule Of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

The following assumptions were used for options granted for the nine months ended September 30, 2013: 

	Nine Months Ended September 30, 2013
Risk-free interest rate		1.09-1.22	%
Volatility		127.46 - 131.79	%
Expected dividend yield		0	%
Expected term		5.75 - 6.25 yrs