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Stock Options (Details 2)	9 Months Ended
Stock Options (Details 2)	Sep. 30, 2013	Sep. 30, 2012
Stock Options Details 2
Expected life (in years)	2 years	6 years 6 months
Average risk-free interest rate	1.66%	1.66%
Expected volatility Minimum	111.00%	108.00%
Expected dividend yield	0.00%	0.00%
Forfeiture rate	3.00%	3.00%

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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