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Stock-Based Compensation (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Exercise price $ 1.74  
Expected dividends 0.00% 0.00%
Expected volatility 148.00%  
Risk free interest rate 0.77%  
Expected life of option 5 years 10 years
Expected forfeitures 0.00% 0.00%
Minimum [Member]
   
Exercise price   1.14
Expected volatility   108.00%
Risk free interest rate   0.37%
Maximum [Member]
   
Exercise price   2.47
Expected volatility   174.00%
Risk free interest rate   1.98%