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Intangible Assets (Details 1) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Estimated amortization expense of intangible assets    
2012 (remaining three months) $ 36,724  
2013 146,940  
2014 146,024  
2015 137,273  
2016 130,202  
2017 126,628  
Thereafter 735,026  
Finite-Lived Intangible Assets, Net Carrying Amount $ 1,458,817 $ 1,432,895