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Stock Options and Award Programs (Details 3)	12 Months Ended
Stock Options and Award Programs (Details 3)	Dec. 31, 2012	Dec. 31, 2011
Expected dividend yield	0.00%	0.00%
Expected volatility	74.00%	102.00%
Risk-free interest rate - Minimum	0.38%	0.40%
Risk-free interest rate - Maximum	0.40%	2.38%
Employees [Member]
Expected life	3 years	3 years
Board Of Directors [Member]
Expected life	0 years	0 years

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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