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Income Taxes (Schedule of Net Operating Loss Carryforwards) (Details)
Dec. 31, 2016
USD ($)
Federal  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards $ 50,157,928
State  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 54,890,031
Expiration from 2016-2018 | Federal  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 0
Expiration from 2016-2018 | State  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 454,898
Expiration from 2019 to 2028 | Federal  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 0
Expiration from 2019 to 2028 | State  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 38,884,460
Expiration from in2029 | Federal  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 44,149,007
Expiration from in2029 | State  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 10,489,653
Expiration from 2030 to 2025 | Federal  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards 6,008,921
Expiration from 2030 to 2025 | State  
Operating Loss Carryforwards [Line Items]  
Operating loss carryforwards $ 5,061,020