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Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2012
Intangible Assets [Abstract]  
Intangible Assets
At June 30, 2012 and December 31, 2011, intangible assets and intangible assets net of amortization were comprised of the following:
 
   
June 30, 2012
(unaudited)
  
December 31,
2011
 
Intangible assets
 $25,586,024  $21,429,488 
Accumulated amortization
  (3,933,403 )  (2,809,972 )
Intangible assets, net
 $21,652,621  $18,619,516