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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The fair value of options and warrants using the Black Scholes method were calculated using the following assumptions.

                      Risk free interest rate                                     0.3%
Option life 1-5 years
Volatility 51% - 53%