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Income Taxes (Schedule of Net Operating Loss Carryforwards) (Details) (USD $)
Dec. 31, 2012
Federal
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards $ 48,566,499
State
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 54,383,744
Expiration in 2014 | Federal
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 0
Expiration in 2014 | State
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 2,249,078
Expiration from 2015 to 2017 | Federal
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 0
Expiration from 2015 to 2017 | State
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 504,822
Expiration from 2018 to 2024 | Federal
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 0
Expiration from 2018 to 2024 | State
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 51,629,844
Expiration in 2029 | Federal
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 48,566,499
Expiration in 2029 | State
  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards $ 0