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Fair Value Measurements (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Asset transfers $ 0 $ 0
Liabilities transfers 0 $ 0
Repayment of debt 3,339,980  
Secured contingent payment obligation $ 14,185,447  
Secured Debt [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Maturity date Dec. 31, 2021  
Discount rate 15.93%  
Risk free term 5 years  
Risk free rate 1.93%  
Credit risk 8.00%  
litigation inherent risk 6.00%  
Minimum [Member] | Secured Debt [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent obligation, term 1 year  
Contingent obligation $ 0  
Contingent obligation, probability 0.00%  
Maximum [Member] | Secured Debt [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent obligation, term 5 years  
Contingent obligation $ 32,000,000  
Contingent obligation, probability 35.00%