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7. Stock Based Compensation Plans (Details 2)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Stock Based Compensation Plans Details 2    
Expected life in years 3 years 1 month 24 days 4 years 6 months
Volatility 174.20% 141.10%
Risk free interest rate 0.30% 2.15%